122210211100 has 18 divisors (see below), whose sum is σ = 265196158304. Its totient is φ = 48884084400.

The previous prime is 122210210981. The next prime is 122210211103. The reversal of 122210211100 is 1112012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210211103) 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 5 ways as a sum of consecutive naturals, for example, 611050956 + ... + 611051155.

Almost surely, 2^122210211100 is an apocalyptic number.

122210211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122210211100 is an abundant number, since it is smaller than the sum of its proper divisors (142985947204).

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

122210211100 is a wasteful number, since it uses less digits than its factorization.

122210211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222102125 (or 1222102118 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122210211100 its reverse (1112012221), we get a palindrome (123322223321).

The spelling of 122210211100 in words is "one hundred twenty-two billion, two hundred ten million, two hundred eleven thousand, one hundred".