20012100122022 has 8 divisors (see below), whose sum is σ = 40024200244056. Its totient is φ = 6670700040672.

The previous prime is 20012100121997. The next prime is 20012100122123. The reversal of 20012100122022 is 22022100121002.

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

20012100122022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20012100121992 and 20012100122010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667675010163 + ... + 1667675010174.

It is an arithmetic number, because the mean of its divisors is an integer number (5003025030507).

Almost surely, 2^{20012100122022} is an apocalyptic number.

20012100122022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20012100122022 is a wasteful number, since it uses less digits than its factorization.

20012100122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335350020342.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20012100122022 its reverse (22022100121002), we get a palindrome (42034200243024).

The spelling of 20012100122022 in words is "twenty trillion, twelve billion, one hundred million, one hundred twenty-two thousand, twenty-two".