122010002121100 has 72 divisors (see below), whose sum is σ = 284284316076768. Its totient is φ = 45286231065600.

The previous prime is 122010002121097. The next prime is 122010002121103. The reversal of 122010002121100 is 1121200010221.

It is an interprime number because it is at equal distance from previous prime (122010002121097) and next prime (122010002121103).

It is not an unprimeable number, because it can be changed into a prime (122010002121103) 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, 505305987 + ... + 505547386.

It is an arithmetic number, because the mean of its divisors is an integer number (3948393278844).

Almost surely, 2^{122010002121100} is an apocalyptic number.

122010002121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122010002121100 is an abundant number, since it is smaller than the sum of its proper divisors (162274313955668).

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

122010002121100 is a wasteful number, since it uses less digits than its factorization.

122010002121100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010853475 (or 1010853468 counting only the distinct ones).

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

Adding to 122010002121100 its reverse (1121200010221), we get a palindrome (123131202131321).

The spelling of 122010002121100 in words is "one hundred twenty-two trillion, ten billion, two million, one hundred twenty-one thousand, one hundred".