200021122101102 has 64 divisors (see below), whose sum is σ = 407853522895104. Its totient is φ = 65380923336960.

The previous prime is 200021122101091. The next prime is 200021122101233. The reversal of 200021122101102 is 201101221120002.

It is a super-2 number, since 2×200021122101102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 738383202 + ... + 738654042.

It is an arithmetic number, because the mean of its divisors is an integer number (6372711295236).

Almost surely, 2^{200021122101102} is an apocalyptic number.

200021122101102 is an abundant number, since it is smaller than the sum of its proper divisors (207832400794002).

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

200021122101102 is a wasteful number, since it uses less digits than its factorization.

200021122101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279233.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200021122101102 its reverse (201101221120002), we get a palindrome (401122343221104).

The spelling of 200021122101102 in words is "two hundred trillion, twenty-one billion, one hundred twenty-two million, one hundred one thousand, one hundred two".