1022211112012 has 48 divisors (see below), whose sum is σ = 1859101009920. Its totient is φ = 491433391232.

The previous prime is 1022211112009. The next prime is 1022211112019. The reversal of 1022211112012 is 2102111122201.

It is a super-2 number, since 2×1022211112012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1022211112019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17529528 + ... + 17587744.

It is an arithmetic number, because the mean of its divisors is an integer number (38731271040).

Almost surely, 2^{1022211112012} is an apocalyptic number.

It is an amenable number.

1022211112012 is a deficient number, since it is larger than the sum of its proper divisors (836889897908).

1022211112012 is a wasteful number, since it uses less digits than its factorization.

1022211112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59910 (or 59908 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1022211112012 its reverse (2102111122201), we get a palindrome (3124322234213).

The spelling of 1022211112012 in words is "one trillion, twenty-two billion, two hundred eleven million, one hundred twelve thousand, twelve".