2211021121112 has 16 divisors (see below), whose sum is σ = 4198141370400. Its totient is φ = 1091516755680.

The previous prime is 2211021121109. The next prime is 2211021121157. The reversal of 2211021121112 is 2111211201122.

It is a super-2 number, since 2×2211021121112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1749224939 + ... + 1749226202.

It is an arithmetic number, because the mean of its divisors is an integer number (262383835650).

Almost surely, 2^{2211021121112} is an apocalyptic number.

It is an amenable number.

2211021121112 is a deficient number, since it is larger than the sum of its proper divisors (1987120249288).

2211021121112 is a wasteful number, since it uses less digits than its factorization.

2211021121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3498451226 (or 3498451222 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2211021121112 its reverse (2111211201122), we get a palindrome (4322232322234).

The spelling of 2211021121112 in words is "two trillion, two hundred eleven billion, twenty-one million, one hundred twenty-one thousand, one hundred twelve".