10120001112 has 64 divisors (see below), whose sum is σ = 30273516000. Its totient is φ = 3113845632.

The previous prime is 10120001071. The next prime is 10120001161. The reversal of 10120001112 is 21110002101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10120001094 and 10120001103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1799187 + ... + 1804802.

Almost surely, 2^10120001112 is an apocalyptic number.

10120001112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10120001112 is an abundant number, since it is smaller than the sum of its proper divisors (20153514888).

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

10120001112 is a wasteful number, since it uses less digits than its factorization.

10120001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604017 (or 3604007 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 10120001112 its reverse (21110002101), we get a palindrome (31230003213).

The spelling of 10120001112 in words is "ten billion, one hundred twenty million, one thousand, one hundred twelve".