1011002212112 has 20 divisors (see below), whose sum is σ = 1958963153676. Its totient is φ = 505463333760.

The previous prime is 1011002212097. The next prime is 1011002212127. The reversal of 1011002212112 is 2112122001101.

It is an interprime number because it is at equal distance from previous prime (1011002212097) and next prime (1011002212127).

It can be written as a sum of positive squares in 2 ways, for example, as 893130843136 + 117871368976 = 945056^2 + 343324^2 .

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, 2139323 + ... + 2568794.

Almost surely, 2^{1011002212112} is an apocalyptic number.

It is an amenable number.

1011002212112 is a deficient number, since it is larger than the sum of its proper divisors (947960941564).

1011002212112 is a wasteful number, since it uses less digits than its factorization.

1011002212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721546 (or 4721540 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011002212112 its reverse (2112122001101), we get a palindrome (3123124213213).

The spelling of 1011002212112 in words is "one trillion, eleven billion, two million, two hundred twelve thousand, one hundred twelve".