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121210021010122 = 211731011375454451
BaseRepresentation
bin11011100011110101101000…
…001111101101101011001010
3120220011120020202210012111221
4123203311220033231223022
5111341401110334310442
61105443040454312254
734350064213106152
oct3343655017555312
9526146222705457
10121210021010122
1135691976a15550
121171739295868a
135283095b79c65
1421d084c429762
15e02e3de9e467
hex6e3d683edaca

121210021010122 has 64 divisors (see below), whose sum is σ = 204533571961728. Its totient is φ = 53409974400000.

The previous prime is 121210021010081. The next prime is 121210021010159. The reversal of 121210021010122 is 221010120012121.

It is a junction number, because it is equal to n+sod(n) for n = 121210021010096 and 121210021010105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19494997 + ... + 24949447.

It is an arithmetic number, because the mean of its divisors is an integer number (3195837061902).

Almost surely, 2121210021010122 is an apocalyptic number.

121210021010122 is a deficient number, since it is larger than the sum of its proper divisors (83323550951606).

121210021010122 is a wasteful number, since it uses less digits than its factorization.

121210021010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5454775.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121210021010122 its reverse (221010120012121), we get a palindrome (342220141022243).

It can be divided in two parts, 1212100 and 21010122, that added together give a palindrome (22222222).

The spelling of 121210021010122 in words is "one hundred twenty-one trillion, two hundred ten billion, twenty-one million, ten thousand, one hundred twenty-two".

Divisors: 1 2 11 22 73 101 137 146 202 274 803 1111 1507 1606 2222 3014 7373 10001 13837 14746 20002 27674 81103 110011 152207 162206 220022 304414 1010101 2020202 5454451 10908902 11111111 22222222 59998961 119997922 398174923 550899551 747259787 796349846 1101799102 1494519574 4379924153 6059895061 8219857657 8759848306 12119790122 16439715314 40215667223 54549964451 75473238487 80431334446 109099928902 150946476974 442372339453 600049608961 830205623357 884744678906 1200099217922 1660411246714 5509546409551 11019092819102 60605010505061 121210021010122