122210110100 has 72 divisors (see below), whose sum is σ = 285831372288. Its totient is φ = 45086486400.

The previous prime is 122210110097. The next prime is 122210110103. The reversal of 122210110100 is 1011012221.

It is an interprime number because it is at equal distance from previous prime (122210110097) and next prime (122210110103).

It is a super-2 number, since 2×122210110100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122210110103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1562117 + ... + 1638483.

Almost surely, 2^122210110100 is an apocalyptic number.

122210110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122210110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142915686144).

122210110100 is an abundant number, since it is smaller than the sum of its proper divisors (163621262188).

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

122210110100 is a wasteful number, since it uses less digits than its factorization.

122210110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77625 (or 77618 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122210110100 its reverse (1011012221), we get a palindrome (123221122321).

The spelling of 122210110100 in words is "one hundred twenty-two billion, two hundred ten million, one hundred ten thousand, one hundred".