112101012011021 has 4 divisors (see below), whose sum is σ = 122292013102944. Its totient is φ = 101910010919100.

The previous prime is 112101012010979. The next prime is 112101012011089. The reversal of 112101012011021 is 120110210101211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112101012011021 - 2¹⁴ = 112101011994637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112101012010987 and 112101012011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101012017021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5095500545945 + ... + 5095500545966.

It is an arithmetic number, because the mean of its divisors is an integer number (30573003275736).

Almost surely, 2^{112101012011021} is an apocalyptic number.

112101012011021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112101012011021 is a deficient number, since it is larger than the sum of its proper divisors (10191001091923).

112101012011021 is a wasteful number, since it uses less digits than its factorization.

112101012011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191001091922.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 112101012011021 its reverse (120110210101211), we get a palindrome (232211222112232).

The spelling of 112101012011021 in words is "one hundred twelve trillion, one hundred one billion, twelve million, eleven thousand, twenty-one".