1002120043100 has 36 divisors (see below), whose sum is σ = 2372291450088. Its totient is φ = 364407288000.

The previous prime is 1002120043081. The next prime is 1002120043139. The reversal of 1002120043100 is 13400212001.

It is a super-2 number, since 2×1002120043100² (a number of 25 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 11 ways as a sum of consecutive naturals, for example, 455508011 + ... + 455510210.

Almost surely, 2^{1002120043100} is an apocalyptic number.

1002120043100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002120043100 is an abundant number, since it is smaller than the sum of its proper divisors (1370171406988).

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

1002120043100 is a wasteful number, since it uses less digits than its factorization.

1002120043100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911018246 (or 911018239 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1002120043100 its reverse (13400212001), we get a palindrome (1015520255101).

The spelling of 1002120043100 in words is "one trillion, two billion, one hundred twenty million, forty-three thousand, one hundred".