101421152 has 24 divisors (see below), whose sum is σ = 228198096. Its totient is φ = 43466112.

The previous prime is 101421097. The next prime is 101421179. The reversal of 101421152 is 251124101.

It is a self number, because there is not a number n which added to its sum of digits gives 101421152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226163 + ... + 226610.

It is an arithmetic number, because the mean of its divisors is an integer number (9508254).

Almost surely, 2^101421152 is an apocalyptic number.

It is an amenable number.

101421152 is an abundant number, since it is smaller than the sum of its proper divisors (126776944).

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

101421152 is an equidigital number, since it uses as much as digits as its factorization.

101421152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452790 (or 452782 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 101421152 is about 10070.8069190110. The cubic root of 101421152 is about 466.3473498111.

Adding to 101421152 its reverse (251124101), we get a palindrome (352545253).

The spelling of 101421152 in words is "one hundred one million, four hundred twenty-one thousand, one hundred fifty-two".