102021212122210 has 16 divisors (see below), whose sum is σ = 185421076790976. Its totient is φ = 40412285966448.

The previous prime is 102021212122187. The next prime is 102021212122231. The reversal of 102021212122210 is 12221212120201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49524859224 + ... + 49524861283.

It is an arithmetic number, because the mean of its divisors is an integer number (11588817299436).

Almost surely, 2^{102021212122210} is an apocalyptic number.

102021212122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021212122210 is a deficient number, since it is larger than the sum of its proper divisors (83399864668766).

102021212122210 is a wasteful number, since it uses less digits than its factorization.

102021212122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99049720617.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102021212122210 its reverse (12221212120201), we get a palindrome (114242424242411).

The spelling of 102021212122210 in words is "one hundred two trillion, twenty-one billion, two hundred twelve million, one hundred twenty-two thousand, two hundred ten".