10020022111 has 4 divisors (see below), whose sum is σ = 10930933224. Its totient is φ = 9109111000.

The previous prime is 10020022099. The next prime is 10020022127. The reversal of 10020022111 is 11122002001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10020022111 - 2⁵ = 10020022079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020020111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455455540 + ... + 455455561.

It is an arithmetic number, because the mean of its divisors is an integer number (2732733306).

Almost surely, 2^10020022111 is an apocalyptic number.

10020022111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10020022111 is a deficient number, since it is larger than the sum of its proper divisors (910911113).

10020022111 is an equidigital number, since it uses as much as digits as its factorization.

10020022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910911112.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10020022111 its reverse (11122002001), we get a palindrome (21142024112).

The spelling of 10020022111 in words is "ten billion, twenty million, twenty-two thousand, one hundred eleven".