2211122021022 has 32 divisors (see below), whose sum is σ = 4917956800800. Its totient is φ = 736387827264.

The previous prime is 2211122020973. The next prime is 2211122021071. The reversal of 2211122021022 is 2201202211122.

It is a happy number.

2211122021022 is a `hidden beast` number, since 2 + 211 + 1 + 220 + 210 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (2211122020973) and next prime (2211122021071).

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 = 2211122020986 and 2211122021004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18073093 + ... + 18195024.

It is an arithmetic number, because the mean of its divisors is an integer number (153686150025).

Almost surely, 2^{2211122021022} is an apocalyptic number.

2211122021022 is an abundant number, since it is smaller than the sum of its proper divisors (2706834779778).

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

2211122021022 is a wasteful number, since it uses less digits than its factorization.

2211122021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36269257 (or 36269251 counting only the distinct ones).

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

Adding to 2211122021022 its reverse (2201202211122), we get a palindrome (4412324232144).

The spelling of 2211122021022 in words is "two trillion, two hundred eleven billion, one hundred twenty-two million, twenty-one thousand, twenty-two".