122220111011210 has 32 divisors (see below), whose sum is σ = 220324514050512. Its totient is φ = 48815087892480.

The previous prime is 122220111011191. The next prime is 122220111011231. The reversal of 122220111011210 is 12110111022221.

It can be written as a sum of positive squares in 8 ways, for example, as 116041391607001 + 6178719404209 = 10772251^2 + 2485703^2 .

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 15 ways as a sum of consecutive naturals, for example, 732383180 + ... + 732550040.

Almost surely, 2^{122220111011210} is an apocalyptic number.

122220111011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122220111011210 is a deficient number, since it is larger than the sum of its proper divisors (98104403039302).

122220111011210 is a wasteful number, since it uses less digits than its factorization.

122220111011210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275738.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122220111011210 its reverse (12110111022221), we get a palindrome (134330222033431).

The spelling of 122220111011210 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred eleven million, eleven thousand, two hundred ten".