101102012210121 has 16 divisors (see below), whose sum is σ = 145173853306944. Its totient is φ = 62215880094144.

The previous prime is 101102012210077. The next prime is 101102012210123. The reversal of 101102012210121 is 121012210201101.

It is a happy number.

It is not a de Polignac number, because 101102012210121 - 2⁷ = 101102012209993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101102012210121.

It is not an unprimeable number, because it can be changed into a prime (101102012210123) 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, 12157606 + ... + 18708591.

It is an arithmetic number, because the mean of its divisors is an integer number (9073365831684).

Almost surely, 2^{101102012210121} is an apocalyptic number.

It is an amenable number.

101102012210121 is a deficient number, since it is larger than the sum of its proper divisors (44071841096823).

101102012210121 is a wasteful number, since it uses less digits than its factorization.

101102012210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30950200.

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

Adding to 101102012210121 its reverse (121012210201101), we get a palindrome (222114222411222).

The spelling of 101102012210121 in words is "one hundred one trillion, one hundred two billion, twelve million, two hundred ten thousand, one hundred twenty-one".