101421112 has 32 divisors (see below), whose sum is σ = 209160000. Its totient is φ = 45811584.

The previous prime is 101421097. The next prime is 101421179. The reversal of 101421112 is 211124101.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 101421092 and 101421101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5487 + ... + 15262.

It is an arithmetic number, because the mean of its divisors is an integer number (6536250).

Almost surely, 2^101421112 is an apocalyptic number.

It is an amenable number.

101421112 is an abundant number, since it is smaller than the sum of its proper divisors (107738888).

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

101421112 is a wasteful number, since it uses less digits than its factorization.

101421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20815 (or 20811 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 101421112 is about 10070.8049330726. The cubic root of 101421112 is about 466.3472885027.

Adding to 101421112 its reverse (211124101), we get a palindrome (312545213).

The spelling of 101421112 in words is "one hundred one million, four hundred twenty-one thousand, one hundred twelve".