20011101022 has 32 divisors (see below), whose sum is σ = 32853300480. Its totient is φ = 9066055680.

The previous prime is 20011100999. The next prime is 20011101023. The reversal of 20011101022 is 22010111002.

20011101022 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×20011101022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011101023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12298573 + ... + 12300199.

It is an arithmetic number, because the mean of its divisors is an integer number (1026665640).

Almost surely, 2^20011101022 is an apocalyptic number.

20011101022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20011101022 is a deficient number, since it is larger than the sum of its proper divisors (12842199458).

20011101022 is a wasteful number, since it uses less digits than its factorization.

20011101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136.

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

Adding to 20011101022 its reverse (22010111002), we get a palindrome (42021212024).

The spelling of 20011101022 in words is "twenty billion, eleven million, one hundred one thousand, twenty-two".