1000202210100 has 72 divisors (see below), whose sum is σ = 3215464891520. Its totient is φ = 266720588640.

The previous prime is 1000202210081. The next prime is 1000202210129. The reversal of 1000202210100 is 10122020001.

It is a super-2 number, since 2×1000202210100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185219932 + ... + 185225331.

Almost surely, 2^{1000202210100} is an apocalyptic number.

1000202210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000202210100 is an abundant number, since it is smaller than the sum of its proper divisors (2215262681420).

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

1000202210100 is a wasteful number, since it uses less digits than its factorization.

1000202210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370445286 (or 370445273 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000202210100 its reverse (10122020001), we get a palindrome (1010324230101).

The spelling of 1000202210100 in words is "one trillion, two hundred two million, two hundred ten thousand, one hundred".