10020112011 has 24 divisors (see below), whose sum is σ = 17813533920. Its totient is φ = 5285333376.

The previous prime is 10020112007. The next prime is 10020112021. The reversal of 10020112011 is 11021102001.

It is a happy number.

It is not a de Polignac number, because 10020112011 - 2² = 10020112007 is a prime.

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 = 10020111984 and 10020112002.

It is not an unprimeable number, because it can be changed into a prime (10020112021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6116466 + ... + 6118103.

It is an arithmetic number, because the mean of its divisors is an integer number (742230580).

Almost surely, 2^10020112011 is an apocalyptic number.

10020112011 is a deficient number, since it is larger than the sum of its proper divisors (7793421909).

10020112011 is a wasteful number, since it uses less digits than its factorization.

10020112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12234595 (or 12234592 counting only the distinct ones).

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

Adding to 10020112011 its reverse (11021102001), we get a palindrome (21041214012).

The spelling of 10020112011 in words is "ten billion, twenty million, one hundred twelve thousand, eleven".