200021121102 has 64 divisors (see below), whose sum is σ = 463660070400. Its totient is φ = 56940670080.

The previous prime is 200021121077. The next prime is 200021121133. The reversal of 200021121102 is 201121120002.

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, 1341402 + ... + 1483037.

It is an arithmetic number, because the mean of its divisors is an integer number (7244688600).

Almost surely, 2^200021121102 is an apocalyptic number.

200021121102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

200021121102 is an abundant number, since it is smaller than the sum of its proper divisors (263638949298).

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

200021121102 is a wasteful number, since it uses less digits than its factorization.

200021121102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824521.

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

Adding to 200021121102 its reverse (201121120002), we get a palindrome (401142241104).

It can be divided in two parts, 200021 and 121102, that added together give a palindrome (321123).

The spelling of 200021121102 in words is "two hundred billion, twenty-one million, one hundred twenty-one thousand, one hundred two".