101221002113 has 12 divisors (see below), whose sum is σ = 128451142512. Its totient is φ = 78873507720.

The previous prime is 101221002073. The next prime is 101221002139. The reversal of 101221002113 is 311200122101.

It is not a de Polignac number, because 101221002113 - 2¹⁶ = 101220936577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101221002413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93896495 + ... + 93897572.

It is an arithmetic number, because the mean of its divisors is an integer number (10704261876).

Almost surely, 2^101221002113 is an apocalyptic number.

It is an amenable number.

101221002113 is a deficient number, since it is larger than the sum of its proper divisors (27230140399).

101221002113 is a wasteful number, since it uses less digits than its factorization.

101221002113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187794092 (or 187794085 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101221002113 its reverse (311200122101), we get a palindrome (412421124214).

The spelling of 101221002113 in words is "one hundred one billion, two hundred twenty-one million, two thousand, one hundred thirteen".