1012221001122 has 16 divisors (see below), whose sum is σ = 2024788782720. Its totient is φ = 337349203632.

The previous prime is 1012221001097. The next prime is 1012221001123. The reversal of 1012221001122 is 2211001222101.

It is a super-2 number, since 2×1012221001122² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012221001123) 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, 14411233 + ... + 14481300.

It is an arithmetic number, because the mean of its divisors is an integer number (126549298920).

Almost surely, 2^{1012221001122} is an apocalyptic number.

1012221001122 is an abundant number, since it is smaller than the sum of its proper divisors (1012567781598).

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

1012221001122 is a wasteful number, since it uses less digits than its factorization.

1012221001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28898377.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012221001122 its reverse (2211001222101), we get a palindrome (3223222223223).

The spelling of 1012221001122 in words is "one trillion, twelve billion, two hundred twenty-one million, one thousand, one hundred twenty-two".