101421223400 has 48 divisors (see below), whose sum is σ = 269490683040. Its totient is φ = 34772990400.

The previous prime is 101421223391. The next prime is 101421223403. The reversal of 101421223400 is 4322124101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (101421223403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36220466 + ... + 36223265.

It is an arithmetic number, because the mean of its divisors is an integer number (5614389230).

Almost surely, 2^101421223400 is an apocalyptic number.

101421223400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101421223400 is an abundant number, since it is smaller than the sum of its proper divisors (168069459640).

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

101421223400 is a wasteful number, since it uses less digits than its factorization.

101421223400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72443754 (or 72443745 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101421223400 its reverse (4322124101), we get a palindrome (105743347501).

The spelling of 101421223400 in words is "one hundred one billion, four hundred twenty-one million, two hundred twenty-three thousand, four hundred".