101102201120121 has 16 divisors (see below), whose sum is σ = 134840891764800. Its totient is φ = 67382489806848.

The previous prime is 101102201120119. The next prime is 101102201120149. The reversal of 101102201120121 is 121021102201101.

It is a happy number.

It is not a de Polignac number, because 101102201120121 - 2¹ = 101102201120119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101102201120121.

It is not an unprimeable number, because it can be changed into a prime (101102201127121) 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, 646938690 + ... + 647094948.

It is an arithmetic number, because the mean of its divisors is an integer number (8427555735300).

Almost surely, 2^{101102201120121} is an apocalyptic number.

It is an amenable number.

101102201120121 is a deficient number, since it is larger than the sum of its proper divisors (33738690644679).

101102201120121 is a wasteful number, since it uses less digits than its factorization.

101102201120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215608.

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

Adding to 101102201120121 its reverse (121021102201101), we get a palindrome (222123303321222).

The spelling of 101102201120121 in words is "one hundred one trillion, one hundred two billion, two hundred one million, one hundred twenty thousand, one hundred twenty-one".