20220110212122 has 48 divisors (see below), whose sum is σ = 45723608880768. Its totient is φ = 6445782071520.

The previous prime is 20220110212121. The next prime is 20220110212139. The reversal of 20220110212122 is 22121201102202.

It is a happy number.

20220110212122 is a `hidden beast` number, since 2 + 0 + 220 + 110 + 212 + 122 = 666.

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 = 20220110212095 and 20220110212104.

It is not an unprimeable number, because it can be changed into a prime (20220110212121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2371254 + ... + 6786977.

It is an arithmetic number, because the mean of its divisors is an integer number (952575185016).

Almost surely, 2^{20220110212122} is an apocalyptic number.

20220110212122 is an abundant number, since it is smaller than the sum of its proper divisors (25503498668646).

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

20220110212122 is a wasteful number, since it uses less digits than its factorization.

20220110212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9163595 (or 9163592 counting only the distinct ones).

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

Adding to 20220110212122 its reverse (22121201102202), we get a palindrome (42341311314324).

The spelling of 20220110212122 in words is "twenty trillion, two hundred twenty billion, one hundred ten million, two hundred twelve thousand, one hundred twenty-two".