20221111011040 has 96 divisors (see below), whose sum is σ = 47832836216256. Its totient is φ = 8078212116480.

The previous prime is 20221111011019. The next prime is 20221111011041. The reversal of 20221111011040 is 4011011112202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221111011041) 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, 660136525 + ... + 660167155.

It is an arithmetic number, because the mean of its divisors is an integer number (498258710586).

Almost surely, 2^{20221111011040} is an apocalyptic number.

20221111011040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20221111011040 is an abundant number, since it is smaller than the sum of its proper divisors (27611725205216).

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

20221111011040 is a wasteful number, since it uses less digits than its factorization.

20221111011040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35732 (or 35724 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20221111011040 its reverse (4011011112202), we get a palindrome (24232122123242).

The spelling of 20221111011040 in words is "twenty trillion, two hundred twenty-one billion, one hundred eleven million, eleven thousand, forty".