101121022112312 has 8 divisors (see below), whose sum is σ = 189601916460600. Its totient is φ = 50560511056152.

The previous prime is 101121022112311. The next prime is 101121022112389. The reversal of 101121022112312 is 213211220121101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×101121022112312² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121022112311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6320063882012 + ... + 6320063882027.

It is an arithmetic number, because the mean of its divisors is an integer number (23700239557575).

Almost surely, 2^{101121022112312} is an apocalyptic number.

It is an amenable number.

101121022112312 is a deficient number, since it is larger than the sum of its proper divisors (88480894348288).

101121022112312 is a wasteful number, since it uses less digits than its factorization.

101121022112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12640127764045 (or 12640127764041 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 101121022112312 its reverse (213211220121101), we get a palindrome (314332242233413).

The spelling of 101121022112312 in words is "one hundred one trillion, one hundred twenty-one billion, twenty-two million, one hundred twelve thousand, three hundred twelve".