2211220202022 has 24 divisors (see below), whose sum is σ = 5159513805264. Its totient is φ = 680375446704.

The previous prime is 2211220201991. The next prime is 2211220202041. The reversal of 2211220202022 is 2202020221122.

2211220202022 is a `hidden beast` number, since 221 + 1 + 220 + 20 + 202 + 2 = 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 = 2211220201986 and 2211220202004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4724829258 + ... + 4724829725.

It is an arithmetic number, because the mean of its divisors is an integer number (214979741886).

Almost surely, 2^{2211220202022} is an apocalyptic number.

2211220202022 is an abundant number, since it is smaller than the sum of its proper divisors (2948293603242).

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

2211220202022 is a wasteful number, since it uses less digits than its factorization.

2211220202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9449659004 (or 9449659001 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2211220202022 its reverse (2202020221122), we get a palindrome (4413240423144).

The spelling of 2211220202022 in words is "two trillion, two hundred eleven billion, two hundred twenty million, two hundred two thousand, twenty-two".