200121101202 has 64 divisors (see below), whose sum is σ = 445053450240. Its totient is φ = 59473502400.

The previous prime is 200121101197. The next prime is 200121101227. The reversal of 200121101202 is 202101121002.

It is a super-2 number, since 2×200121101202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9332449 + ... + 9353867.

It is an arithmetic number, because the mean of its divisors is an integer number (6953960160).

Almost surely, 2^200121101202 is an apocalyptic number.

200121101202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 200121101202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222526725120).

200121101202 is an abundant number, since it is smaller than the sum of its proper divisors (244932349038).

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

200121101202 is a wasteful number, since it uses less digits than its factorization.

200121101202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24159.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200121101202 its reverse (202101121002), we get a palindrome (402222222204).

The spelling of 200121101202 in words is "two hundred billion, one hundred twenty-one million, one hundred one thousand, two hundred two".