1022211121112 has 32 divisors (see below), whose sum is σ = 1928412063120. Its totient is φ = 507977205120.

The previous prime is 1022211121109. The next prime is 1022211121117. The reversal of 1022211121112 is 2111211122201.

It is a super-2 number, since 2×1022211121112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022211121117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298787 + ... + 1460717.

Almost surely, 2^{1022211121112} is an apocalyptic number.

It is an amenable number.

1022211121112 is a deficient number, since it is larger than the sum of its proper divisors (906200942008).

1022211121112 is a wasteful number, since it uses less digits than its factorization.

1022211121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162611 (or 1162607 counting only the distinct ones).

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

Adding to 1022211121112 its reverse (2111211122201), we get a palindrome (3133422243313).

The spelling of 1022211121112 in words is "one trillion, twenty-two billion, two hundred eleven million, one hundred twenty-one thousand, one hundred twelve".