221220022095 has 96 divisors (see below), whose sum is σ = 406657165824. Its totient is φ = 111067545600.

The previous prime is 221220022091. The next prime is 221220022099. The reversal of 221220022095 is 590220022122.

It is an interprime number because it is at equal distance from previous prime (221220022091) and next prime (221220022099).

It is not a de Polignac number, because 221220022095 - 2² = 221220022091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221220022091) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20184357 + ... + 20195313.

It is an arithmetic number, because the mean of its divisors is an integer number (4236012144).

Almost surely, 2^221220022095 is an apocalyptic number.

221220022095 is a deficient number, since it is larger than the sum of its proper divisors (185437143729).

221220022095 is a wasteful number, since it uses less digits than its factorization.

221220022095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393 (or 11390 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 221220022095 its sum of digits (27), we get a palindrome (221220022122).

The spelling of 221220022095 in words is "two hundred twenty-one billion, two hundred twenty million, twenty-two thousand, ninety-five".