112121022202020 has 144 divisors (see below), whose sum is σ = 366273226143552. Its totient is φ = 27598175366400.

The previous prime is 112121022201971. The next prime is 112121022202099. The reversal of 112121022202020 is 20202220121211.

It is a happy number.

112121022202020 is a `hidden beast` number, since 11 + 21 + 210 + 2 + 220 + 202 + 0 = 666.

It is a super-2 number, since 2×112121022202020² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 112121022201984 and 112121022202002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77445795 + ... + 78880245.

Almost surely, 2^{112121022202020} is an apocalyptic number.

112121022202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121022202020 is an abundant number, since it is smaller than the sum of its proper divisors (254152203941532).

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

112121022202020 is a wasteful number, since it uses less digits than its factorization.

112121022202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467882 (or 1467877 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112121022202020 its reverse (20202220121211), we get a palindrome (132323242323231).

The spelling of 112121022202020 in words is "one hundred twelve trillion, one hundred twenty-one billion, twenty-two million, two hundred two thousand, twenty".