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121022101202101 = 11130733149253937
BaseRepresentation
bin11011100001000110100111…
…010110100010010010110101
3120212111121012022111212002021
4123201012213112202102311
5111330311230401431401
61105220441420513141
734330362326101561
oct3341064726422265
9525447168455067
10121022101202101
113561a2040a8390
12116a6a889ab7b1
13526b4484bc198
1421c570287c6a1
15ded0e133b2a1
hex6e11a75a24b5

121022101202101 has 16 divisors (see below), whose sum is σ = 132129629611200. Its totient is φ = 109932165095680.

The previous prime is 121022101202099. The next prime is 121022101202111. The reversal of 121022101202101 is 101202101220121.

It is a cyclic number.

It is not a de Polignac number, because 121022101202101 - 21 = 121022101202099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022101202111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476456205 + ... + 476710141.

It is an arithmetic number, because the mean of its divisors is an integer number (8258101850700).

Almost surely, 2121022101202101 is an apocalyptic number.

121022101202101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121022101202101 is a deficient number, since it is larger than the sum of its proper divisors (11107528409099).

121022101202101 is a wasteful number, since it uses less digits than its factorization.

121022101202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288404.

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

Adding to 121022101202101 its reverse (101202101220121), we get a palindrome (222224202422222).

The spelling of 121022101202101 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred one million, two hundred two thousand, one hundred one".

Divisors: 1 11 1307 14377 33149 253937 364639 2793307 43325743 331895659 476583173 3650852249 8417757613 92595333743 11002009200191 121022101202101