112211421420 has 96 divisors (see below), whose sum is σ = 367427225088. Its totient is φ = 25051848192.

The previous prime is 112211421389. The next prime is 112211421437. The reversal of 112211421420 is 24124112211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3088569 + ... + 3124688.

It is an arithmetic number, because the mean of its divisors is an integer number (3827366928).

Almost surely, 2^112211421420 is an apocalyptic number.

112211421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211421420 is an abundant number, since it is smaller than the sum of its proper divisors (255215803668).

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

112211421420 is a wasteful number, since it uses less digits than its factorization.

112211421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213319 (or 6213317 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112211421420 its reverse (24124112211), we get a palindrome (136335533631).

The spelling of 112211421420 in words is "one hundred twelve billion, two hundred eleven million, four hundred twenty-one thousand, four hundred twenty".