102110221011021 has 32 divisors (see below), whose sum is σ = 138459630206976. Its totient is φ = 66918458232000.

The previous prime is 102110221010971. The next prime is 102110221011077. The reversal of 102110221011021 is 120110122011201.

It is a happy number.

It is not a de Polignac number, because 102110221011021 - 2⁶ = 102110221010957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102110221011121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3483667956 + ... + 3483697266.

It is an arithmetic number, because the mean of its divisors is an integer number (4326863443968).

Almost surely, 2^{102110221011021} is an apocalyptic number.

It is an amenable number.

102110221011021 is a deficient number, since it is larger than the sum of its proper divisors (36349409195955).

102110221011021 is a wasteful number, since it uses less digits than its factorization.

102110221011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39833.

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

Adding to 102110221011021 its reverse (120110122011201), we get a palindrome (222220343022222).

The spelling of 102110221011021 in words is "one hundred two trillion, one hundred ten billion, two hundred twenty-one million, eleven thousand, twenty-one".