10402011112 has 8 divisors (see below), whose sum is σ = 19503770850. Its totient is φ = 5201005552.

The previous prime is 10402011079. The next prime is 10402011143. The reversal of 10402011112 is 21111020401.

It can be written as a sum of positive squares in only one way, i.e., 8428341636 + 1973669476 = 91806^2 + 44426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 10402011092 and 10402011101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650125687 + ... + 650125702.

Almost surely, 2^10402011112 is an apocalyptic number.

It is an amenable number.

10402011112 is a deficient number, since it is larger than the sum of its proper divisors (9101759738).

10402011112 is a wasteful number, since it uses less digits than its factorization.

10402011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300251395 (or 1300251391 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10402011112 its reverse (21111020401), we get a palindrome (31513031513).

The spelling of 10402011112 in words is "ten billion, four hundred two million, eleven thousand, one hundred twelve".