202220110001091 has 32 divisors (see below), whose sum is σ = 331851466067968. Its totient is φ = 106664562391680.

The previous prime is 202220110001033. The next prime is 202220110001131. The reversal of 202220110001091 is 190100011022202.

It is not a de Polignac number, because 202220110001091 - 2²¹ = 202220107903939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (202220110001291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26502345 + ... + 33268821.

It is an arithmetic number, because the mean of its divisors is an integer number (10370358314624).

Almost surely, 2^{202220110001091} is an apocalyptic number.

202220110001091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

202220110001091 is a deficient number, since it is larger than the sum of its proper divisors (129631356066877).

202220110001091 is a wasteful number, since it uses less digits than its factorization.

202220110001091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875971.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 202220110001091 its reverse (190100011022202), we get a palindrome (392320121023293).

The spelling of 202220110001091 in words is "two hundred two trillion, two hundred twenty billion, one hundred ten million, one thousand, ninety-one".