201220110212022 has 96 divisors (see below), whose sum is σ = 491024098805760. Its totient is φ = 59000340384000.

The previous prime is 201220110211993. The next prime is 201220110212057. The reversal of 201220110212022 is 220212011022102.

It is a happy number.

201220110212022 is a `hidden beast` number, since 201 + 220 + 1 + 10 + 212 + 0 + 22 = 666.

201220110212022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 201220110211986 and 201220110212004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40371879 + ... + 45081357.

It is an arithmetic number, because the mean of its divisors is an integer number (5114834362560).

Almost surely, 2^{201220110212022} is an apocalyptic number.

201220110212022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 201220110212022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245512049402880).

201220110212022 is an abundant number, since it is smaller than the sum of its proper divisors (289803988593738).

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

201220110212022 is a wasteful number, since it uses less digits than its factorization.

201220110212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4716490 (or 4716487 counting only the distinct ones).

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

Adding to 201220110212022 its reverse (220212011022102), we get a palindrome (421432121234124).

The spelling of 201220110212022 in words is "two hundred one trillion, two hundred twenty billion, one hundred ten million, two hundred twelve thousand, twenty-two".