10121002122111 has 32 divisors (see below), whose sum is σ = 13735902028800. Its totient is φ = 6627829791744.

The previous prime is 10121002122107. The next prime is 10121002122139. The reversal of 10121002122111 is 11122120012101.

It is a happy number.

It is not a de Polignac number, because 10121002122111 - 2² = 10121002122107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121002122311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56407206 + ... + 56586348.

It is an arithmetic number, because the mean of its divisors is an integer number (429246938400).

Almost surely, 2^{10121002122111} is an apocalyptic number.

10121002122111 is a deficient number, since it is larger than the sum of its proper divisors (3614899906689).

10121002122111 is a wasteful number, since it uses less digits than its factorization.

10121002122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180695.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10121002122111 its reverse (11122120012101), we get a palindrome (21243122134212).

The spelling of 10121002122111 in words is "ten trillion, one hundred twenty-one billion, two million, one hundred twenty-two thousand, one hundred eleven".