101421143240 has 64 divisors (see below), whose sum is σ = 228845597760. Its totient is φ = 40453413120.

The previous prime is 101421143227. The next prime is 101421143267. The reversal of 101421143240 is 42341124101.

It is a super-2 number, since 2×101421143240² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37884782 + ... + 37887458.

It is an arithmetic number, because the mean of its divisors is an integer number (3575712465).

Almost surely, 2^101421143240 is an apocalyptic number.

101421143240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101421143240 is an abundant number, since it is smaller than the sum of its proper divisors (127424454520).

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

101421143240 is a wasteful number, since it uses less digits than its factorization.

101421143240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022 (or 5018 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 101421143240 its reverse (42341124101), we get a palindrome (143762267341).

The spelling of 101421143240 in words is "one hundred one billion, four hundred twenty-one million, one hundred forty-three thousand, two hundred forty".