2211211201122 has 48 divisors (see below), whose sum is σ = 5973141949632. Its totient is φ = 574340571360.

The previous prime is 2211211201099. The next prime is 2211211201123. The reversal of 2211211201122 is 2211021121122.

2211211201122 is a `hidden beast` number, since 221 + 121 + 1 + 201 + 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 = 2211211201095 and 2211211201104.

It is not an unprimeable number, because it can be changed into a prime (2211211201123) 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, 797693853 + ... + 797696624.

It is an arithmetic number, because the mean of its divisors is an integer number (124440457284).

Almost surely, 2^{2211211201122} is an apocalyptic number.

2211211201122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2211211201122 is an abundant number, since it is smaller than the sum of its proper divisors (3761930748510).

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

2211211201122 is a wasteful number, since it uses less digits than its factorization.

2211211201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595390503 (or 1595390500 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2211211201122 its reverse (2211021121122), we get a palindrome (4422232322244).

The spelling of 2211211201122 in words is "two trillion, two hundred eleven billion, two hundred eleven million, two hundred one thousand, one hundred twenty-two".