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121201121021002 = 21147369731705649
BaseRepresentation
bin11011100011101101010101…
…110000111100110001001010
3120220010201021111212220122021
4123203231111300330301022
5111341224343440133002
61105435005404515054
734346330523334051
oct3343552560746112
9526121244786567
10121201121021002
113568911a122a40
121171570a24ba8a
1352822a80453c9
1421d0246409398
15e02abc97a737
hex6e3b55c3cc4a

121201121021002 has 32 divisors (see below), whose sum is σ = 202603669113600. Its totient is φ = 53904674503680.

The previous prime is 121201121020963. The next prime is 121201121021021. The reversal of 121201121021002 is 200120121102121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12030127 + ... + 19675522.

It is an arithmetic number, because the mean of its divisors is an integer number (6331364659800).

Almost surely, 2121201121021002 is an apocalyptic number.

121201121021002 is a deficient number, since it is larger than the sum of its proper divisors (81402548092598).

121201121021002 is a wasteful number, since it uses less digits than its factorization.

121201121021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31709406.

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

Adding to 121201121021002 its reverse (200120121102121), we get a palindrome (321321242123123).

The spelling of 121201121021002 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred twenty-one million, twenty-one thousand, two".

Divisors: 1 2 11 22 47 94 517 1034 3697 7394 40667 81334 173759 347518 1911349 3822698 31705649 63411298 348762139 697524278 1490165503 2980331006 16391820533 32783641066 117215784353 234431568706 1289373627883 2578747255766 5509141864591 11018283729182 60600560510501 121201121021002