1011011220112 has 40 divisors (see below), whose sum is σ = 2062097436960. Its totient is φ = 478861344000.

The previous prime is 1011011220103. The next prime is 1011011220119. The reversal of 1011011220112 is 2110221101101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1011011220092 and 1011011220101.

It is not an unprimeable number, because it can be changed into a prime (1011011220119) 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, 3824403 + ... + 4080205.

It is an arithmetic number, because the mean of its divisors is an integer number (51552435924).

Almost surely, 2^{1011011220112} is an apocalyptic number.

It is an amenable number.

1011011220112 is an abundant number, since it is smaller than the sum of its proper divisors (1051086216848).

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

1011011220112 is a wasteful number, since it uses less digits than its factorization.

1011011220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268831 (or 268825 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1011011220112 its reverse (2110221101101), we get a palindrome (3121232321213).

The spelling of 1011011220112 in words is "one trillion, eleven billion, eleven million, two hundred twenty thousand, one hundred twelve".