121002010111101 has 128 divisors (see below), whose sum is σ = 196499655475200. Its totient is φ = 64879770147840.

The previous prime is 121002010111057. The next prime is 121002010111111. The reversal of 121002010111101 is 101111010200121.

It is not a de Polignac number, because 121002010111101 - 2⁹ = 121002010110589 is a prime.

It is a super-3 number, since 3×121002010111101³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002010111111) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 82934893110 + ... + 82934894568.

It is an arithmetic number, because the mean of its divisors is an integer number (1535153558400).

Almost surely, 2^{121002010111101} is an apocalyptic number.

It is an amenable number.

121002010111101 is a deficient number, since it is larger than the sum of its proper divisors (75497645364099).

121002010111101 is a wasteful number, since it uses less digits than its factorization.

121002010111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404 (or 3370 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 121002010111101 its reverse (101111010200121), we get a palindrome (222113020311222).

The spelling of 121002010111101 in words is "one hundred twenty-one trillion, two billion, ten million, one hundred eleven thousand, one hundred one".