102213212213021 has 16 divisors (see below), whose sum is σ = 125803187698944. Its totient is φ = 80870506354944.

The previous prime is 102213212213003. The next prime is 102213212213033. The reversal of 102213212213021 is 120312212312201.

It is a cyclic number.

It is not a de Polignac number, because 102213212213021 - 2⁶ = 102213212212957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102213212213051) 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, 5323745 + ... + 15256758.

It is an arithmetic number, because the mean of its divisors is an integer number (7862699231184).

Almost surely, 2^{102213212213021} is an apocalyptic number.

It is an amenable number.

102213212213021 is a deficient number, since it is larger than the sum of its proper divisors (23589975485923).

102213212213021 is a wasteful number, since it uses less digits than its factorization.

102213212213021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20635100.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 102213212213021 its reverse (120312212312201), we get a palindrome (222525424525222).

The spelling of 102213212213021 in words is "one hundred two trillion, two hundred thirteen billion, two hundred twelve million, two hundred thirteen thousand, twenty-one".