10020211111 has 32 divisors (see below), whose sum is σ = 11004984000. Its totient is φ = 9087436800.

The previous prime is 10020211087. The next prime is 10020211139. The reversal of 10020211111 is 11111202001.

It is a cyclic number.

It is not a de Polignac number, because 10020211111 - 2⁵ = 10020211079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020211151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13558780 + ... + 13559518.

It is an arithmetic number, because the mean of its divisors is an integer number (343905750).

Almost surely, 2^10020211111 is an apocalyptic number.

10020211111 is a deficient number, since it is larger than the sum of its proper divisors (984772889).

10020211111 is a wasteful number, since it uses less digits than its factorization.

10020211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10020211111 its reverse (11111202001), we get a palindrome (21131413112).

The spelling of 10020211111 in words is "ten billion, twenty million, two hundred eleven thousand, one hundred eleven".