1012211101122 has 64 divisors (see below), whose sum is σ = 2248326097920. Its totient is φ = 301858401600.

The previous prime is 1012211101091. The next prime is 1012211101123. The reversal of 1012211101122 is 2211011122101.

It is a happy number.

It is a super-2 number, since 2×1012211101122² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012211101123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1222204 + ... + 1875687.

It is an arithmetic number, because the mean of its divisors is an integer number (35130095280).

Almost surely, 2^{1012211101122} is an apocalyptic number.

1012211101122 is an abundant number, since it is smaller than the sum of its proper divisors (1236114996798).

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

1012211101122 is a wasteful number, since it uses less digits than its factorization.

1012211101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3098039.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1012211101122 its reverse (2211011122101), we get a palindrome (3223222223223).

The spelling of 1012211101122 in words is "one trillion, twelve billion, two hundred eleven million, one hundred one thousand, one hundred twenty-two".