101102112020121 has 16 divisors (see below), whose sum is σ = 137013423912960. Its totient is φ = 66296115774720.

The previous prime is 101102112020081. The next prime is 101102112020131. The reversal of 101102112020121 is 121020211201101.

It is a happy number.

It is not a de Polignac number, because 101102112020121 - 2²¹ = 101102109922969 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 101102112020121.

It is not an unprimeable number, because it can be changed into a prime (101102112020131) 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, 35765281 + ... + 38488433.

It is an arithmetic number, because the mean of its divisors is an integer number (8563338994560).

Almost surely, 2^{101102112020121} is an apocalyptic number.

It is an amenable number.

101102112020121 is a deficient number, since it is larger than the sum of its proper divisors (35911311892839).

101102112020121 is a wasteful number, since it uses less digits than its factorization.

101102112020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926096.

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

Adding to 101102112020121 its reverse (121020211201101), we get a palindrome (222122323221222).

The spelling of 101102112020121 in words is "one hundred one trillion, one hundred two billion, one hundred twelve million, twenty thousand, one hundred twenty-one".