121022110020200 has 24 divisors (see below), whose sum is σ = 281376405797430. Its totient is φ = 48408844008000.

The previous prime is 121022110020191. The next prime is 121022110020209. The reversal of 121022110020200 is 2020011220121.

It is an interprime number because it is at equal distance from previous prime (121022110020191) and next prime (121022110020209).

It can be written as a sum of positive squares in 3 ways, for example, as 55073645430244 + 65948464589956 = 7421162^2 + 8120866^2 .

It is a super-2 number, since 2×121022110020200² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121022110020209) 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, 302555274851 + ... + 302555275250.

Almost surely, 2^{121022110020200} is an apocalyptic number.

121022110020200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121022110020200 is an abundant number, since it is smaller than the sum of its proper divisors (160354295777230).

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

121022110020200 is a wasteful number, since it uses less digits than its factorization.

121022110020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605110550117 (or 605110550108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121022110020200 its reverse (2020011220121), we get a palindrome (123042121240321).

The spelling of 121022110020200 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred ten million, twenty thousand, two hundred".