20021222101095 has 40 divisors (see below), whose sum is σ = 35917956264960. Its totient is φ = 10669636146240.

The previous prime is 20021222100961. The next prime is 20021222101171. The reversal of 20021222101095 is 59010122212002.

It is a happy number.

It is not a de Polignac number, because 20021222101095 - 2³⁶ = 19952502624359 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18807696 + ... + 19843685.

It is an arithmetic number, because the mean of its divisors is an integer number (897948906624).

Almost surely, 2^{20021222101095} is an apocalyptic number.

20021222101095 is a deficient number, since it is larger than the sum of its proper divisors (15896734163865).

20021222101095 is a wasteful number, since it uses less digits than its factorization.

20021222101095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38652677 (or 38652668 counting only the distinct ones).

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

Adding to 20021222101095 its reverse (59010122212002), we get a palindrome (79031344313097).

The spelling of 20021222101095 in words is "twenty trillion, twenty-one billion, two hundred twenty-two million, one hundred one thousand, ninety-five".