101210001111121 has 16 divisors (see below), whose sum is σ = 115990238141568. Its totient is φ = 86510466806400.

The previous prime is 101210001111097. The next prime is 101210001111143. The reversal of 101210001111121 is 121111100012101.

It is not a de Polignac number, because 101210001111121 - 2²¹ = 101209999013969 is a prime.

It is a super-2 number, since 2×101210001111121² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101210005111121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7689570 + ... + 16172491.

It is an arithmetic number, because the mean of its divisors is an integer number (7249389883848).

Almost surely, 2^{101210001111121} is an apocalyptic number.

It is an amenable number.

101210001111121 is a deficient number, since it is larger than the sum of its proper divisors (14780237030447).

101210001111121 is a wasteful number, since it uses less digits than its factorization.

101210001111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23863752.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 101210001111121 its reverse (121111100012101), we get a palindrome (222321101123222).

The spelling of 101210001111121 in words is "one hundred one trillion, two hundred ten billion, one million, one hundred eleven thousand, one hundred twenty-one".