20221021021095 has 16 divisors (see below), whose sum is σ = 35948481815520. Its totient is φ = 10784544544512.

The previous prime is 20221021021093. The next prime is 20221021021109. The reversal of 20221021021095 is 59012012012202.

It is a happy number.

20221021021095 is a `hidden beast` number, since 20 + 2 + 210 + 210 + 210 + 9 + 5 = 666.

It is not a de Polignac number, because 20221021021095 - 2¹ = 20221021021093 is a prime.

It is a super-2 number, since 2×20221021021095² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221021021093) 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, 74892670314 + ... + 74892670583.

It is an arithmetic number, because the mean of its divisors is an integer number (2246780113470).

Almost surely, 2^{20221021021095} is an apocalyptic number.

20221021021095 is a deficient number, since it is larger than the sum of its proper divisors (15727460794425).

20221021021095 is a wasteful number, since it uses less digits than its factorization.

20221021021095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149785340911 (or 149785340905 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 20221021021095 its reverse (59012012012202), we get a palindrome (79233033033297).

The spelling of 20221021021095 in words is "twenty trillion, two hundred twenty-one billion, twenty-one million, twenty-one thousand, ninety-five".