112211122122021 has 8 divisors (see below), whose sum is σ = 161123662534240. Its totient is φ = 69052998228912.

The previous prime is 112211122121899. The next prime is 112211122122053. The reversal of 112211122122021 is 120221221112211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112211122122021 - 2¹⁸ = 112211121859877 is a prime.

It is a super-2 number, since 2×112211122122021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211122222021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1438604129731 + ... + 1438604129808.

It is an arithmetic number, because the mean of its divisors is an integer number (20140457816780).

Almost surely, 2^{112211122122021} is an apocalyptic number.

It is an amenable number.

112211122122021 is a deficient number, since it is larger than the sum of its proper divisors (48912540412219).

112211122122021 is a wasteful number, since it uses less digits than its factorization.

112211122122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877208259555.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112211122122021 its reverse (120221221112211), we get a palindrome (232432343234232).

The spelling of 112211122122021 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, twenty-one".