1121012211012 has 12 divisors (see below), whose sum is σ = 2615695159056. Its totient is φ = 373670737000.

The previous prime is 1121012211001. The next prime is 1121012211023. The reversal of 1121012211012 is 2101122101211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121012211001) and next prime (1121012211023).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1121012210982 and 1121012211000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46708842114 + ... + 46708842137.

It is an arithmetic number, because the mean of its divisors is an integer number (217974596588).

Almost surely, 2^{1121012211012} is an apocalyptic number.

1121012211012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121012211012 is an abundant number, since it is smaller than the sum of its proper divisors (1494682948044).

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

1121012211012 is a wasteful number, since it uses less digits than its factorization.

1121012211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93417684258 (or 93417684256 counting only the distinct ones).

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

Adding to 1121012211012 its reverse (2101122101211), we get a palindrome (3222134312223).

The spelling of 1121012211012 in words is "one trillion, one hundred twenty-one billion, twelve million, two hundred eleven thousand, twelve".