20110212122022 has 48 divisors (see below), whose sum is σ = 49121362958640. Its totient is φ = 6094003671360.

The previous prime is 20110212121981. The next prime is 20110212122023. The reversal of 20110212122022 is 22022121201102.

It is a happy number.

20110212122022 is a `hidden beast` number, since 201 + 10 + 212 + 1 + 220 + 22 = 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 = 20110212121986 and 20110212122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110212122023) 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, 1538883283 + ... + 1538896350.

It is an arithmetic number, because the mean of its divisors is an integer number (1023361728305).

Almost surely, 2^{20110212122022} is an apocalyptic number.

20110212122022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20110212122022 is an abundant number, since it is smaller than the sum of its proper divisors (29011150836618).

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

20110212122022 is a wasteful number, since it uses less digits than its factorization.

20110212122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077779666 (or 3077779649 counting only the distinct ones).

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

Adding to 20110212122022 its reverse (22022121201102), we get a palindrome (42132333323124).

The spelling of 20110212122022 in words is "twenty trillion, one hundred ten billion, two hundred twelve million, one hundred twenty-two thousand, twenty-two".