122211111020200 has 96 divisors (see below), whose sum is σ = 286971684879960. Its totient is φ = 48397475456000.

The previous prime is 122211111020171. The next prime is 122211111020203. The reversal of 122211111020200 is 2020111112221.

It can be written as a sum of positive squares in 12 ways, for example, as 1765183274404 + 120445927745796 = 1328602^2 + 10974786^2 .

It is not an unprimeable number, because it can be changed into a prime (122211111020203) 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, 345586674 + ... + 345940126.

Almost surely, 2^{122211111020200} is an apocalyptic number.

122211111020200 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 122211111020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143485842439980).

122211111020200 is an abundant number, since it is smaller than the sum of its proper divisors (164760573859760).

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

122211111020200 is a wasteful number, since it uses less digits than its factorization.

122211111020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370687 (or 370678 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122211111020200 its reverse (2020111112221), we get a palindrome (124231222132421).

The spelling of 122211111020200 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred eleven million, twenty thousand, two hundred".