102022011021 has 64 divisors (see below), whose sum is σ = 158407925760. Its totient is φ = 57206822400.

The previous prime is 102022010989. The next prime is 102022011023. The reversal of 102022011021 is 120110220201.

It is not a de Polignac number, because 102022011021 - 2⁵ = 102022010989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102022010988 and 102022011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022011023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 158665326 + ... + 158665968.

It is an arithmetic number, because the mean of its divisors is an integer number (2475123840).

Almost surely, 2^102022011021 is an apocalyptic number.

It is an amenable number.

102022011021 is a deficient number, since it is larger than the sum of its proper divisors (56385914739).

102022011021 is a wasteful number, since it uses less digits than its factorization.

102022011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102022011021 its reverse (120110220201), we get a palindrome (222132231222).

The spelling of 102022011021 in words is "one hundred two billion, twenty-two million, eleven thousand, twenty-one".