102212211122220 has 24 divisors (see below), whose sum is σ = 286194191142384. Its totient is φ = 27256589632576.

The previous prime is 102212211122207. The next prime is 102212211122249. The reversal of 102212211122220 is 22221112212201.

It is a super-2 number, since 2×102212211122220² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 851768425959 + ... + 851768426078.

It is an arithmetic number, because the mean of its divisors is an integer number (11924757964266).

Almost surely, 2^{102212211122220} is an apocalyptic number.

102212211122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212211122220 is an abundant number, since it is smaller than the sum of its proper divisors (183981980020164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102212211122220 is a wasteful number, since it uses less digits than its factorization.

102212211122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703536852049 (or 1703536852047 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 102212211122220 its reverse (22221112212201), we get a palindrome (124433323334421).

The spelling of 102212211122220 in words is "one hundred two trillion, two hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twenty".