1012011121122 has 16 divisors (see below), whose sum is σ = 2024032524672. Its totient is φ = 337335326640.

The previous prime is 1012011121087. The next prime is 1012011121181. The reversal of 1012011121122 is 2211211102101.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563303 + ... + 2113749.

It is an arithmetic number, because the mean of its divisors is an integer number (126502032792).

Almost surely, 2^{1012011121122} is an apocalyptic number.

1012011121122 is an abundant number, since it is smaller than the sum of its proper divisors (1012021403550).

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

1012011121122 is a wasteful number, since it uses less digits than its factorization.

1012011121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856873.

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

Adding to 1012011121122 its reverse (2211211102101), we get a palindrome (3223222223223).

The spelling of 1012011121122 in words is "one trillion, twelve billion, eleven million, one hundred twenty-one thousand, one hundred twenty-two".