102542411244120 has 32 divisors (see below), whose sum is σ = 307627233732720. Its totient is φ = 27344642998400.

The previous prime is 102542411244071. The next prime is 102542411244137. The reversal of 102542411244120 is 21442114245201.

It is a happy number.

It is a super-2 number, since 2×102542411244120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 427260046731 + ... + 427260046970.

Almost surely, 2^{102542411244120} is an apocalyptic number.

102542411244120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102542411244120 is an abundant number, since it is smaller than the sum of its proper divisors (205084822488600).

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

102542411244120 is a wasteful number, since it uses less digits than its factorization.

102542411244120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854520093715 (or 854520093711 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 33.

Adding to 102542411244120 its reverse (21442114245201), we get a palindrome (123984525489321).

The spelling of 102542411244120 in words is "one hundred two trillion, five hundred forty-two billion, four hundred eleven million, two hundred forty-four thousand, one hundred twenty".