202122221101002 has 64 divisors (see below), whose sum is σ = 475585785192960. Its totient is φ = 63410347763712.

The previous prime is 202122221100959. The next prime is 202122221101033. The reversal of 202122221101002 is 200101122221202.

It is a happy number.

202122221101002 is a `hidden beast` number, since 20 + 212 + 222 + 110 + 100 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 113418783 + ... + 115187085.

It is an arithmetic number, because the mean of its divisors is an integer number (7431027893640).

Almost surely, 2^{202122221101002} is an apocalyptic number.

202122221101002 is an abundant number, since it is smaller than the sum of its proper divisors (273463564091958).

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

202122221101002 is a wasteful number, since it uses less digits than its factorization.

202122221101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892844 (or 1892838 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202122221101002 its reverse (200101122221202), we get a palindrome (402223343322204).

The spelling of 202122221101002 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred one thousand, two".