202202101000 has 64 divisors (see below), whose sum is σ = 477837837360. Its totient is φ = 80080000000.

The previous prime is 202202100983. The next prime is 202202101019. The reversal of 202202101000 is 101202202.

It can be written as a sum of positive squares in 8 ways, for example, as 1313482564 + 200888618436 = 36242^2 + 448206^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900001 + ... + 1102000.

Almost surely, 2^202202101000 is an apocalyptic number.

202202101000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202202101000 is an abundant number, since it is smaller than the sum of its proper divisors (275635736360).

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

202202101000 is a wasteful number, since it uses less digits than its factorization.

202202101000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002123 (or 2002109 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 202202101000 its reverse (101202202), we get a palindrome (202303303202).

It can be divided in two parts, 202 and 202101000, that added together give a palindrome (202101202).

The spelling of 202202101000 in words is "two hundred two billion, two hundred two million, one hundred one thousand".