122210121100 has 18 divisors (see below), whose sum is σ = 265195963004. Its totient is φ = 48884048400.

The previous prime is 122210121041. The next prime is 122210121107. The reversal of 122210121100 is 1121012221.

It is not an unprimeable number, because it can be changed into a prime (122210121107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611050506 + ... + 611050705.

Almost surely, 2^122210121100 is an apocalyptic number.

122210121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122210121100 is an abundant number, since it is smaller than the sum of its proper divisors (142985841904).

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

122210121100 is a wasteful number, since it uses less digits than its factorization.

122210121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222101225 (or 1222101218 counting only the distinct ones).

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

Adding to 122210121100 its reverse (1121012221), we get a palindrome (123331133321).

The spelling of 122210121100 in words is "one hundred twenty-two billion, two hundred ten million, one hundred twenty-one thousand, one hundred".