220101002102201 has 4 divisors (see below), whose sum is σ = 240110184111504. Its totient is φ = 200091820092900.

The previous prime is 220101002102171. The next prime is 220101002102207. The reversal of 220101002102201 is 102201200101022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220101002102201 - 2³⁸ = 219826124195257 is a prime.

It is a super-2 number, since 2×220101002102201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220101002102207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10004591004635 + ... + 10004591004656.

It is an arithmetic number, because the mean of its divisors is an integer number (60027546027876).

Almost surely, 2^{220101002102201} is an apocalyptic number.

It is an amenable number.

220101002102201 is a deficient number, since it is larger than the sum of its proper divisors (20009182009303).

220101002102201 is a wasteful number, since it uses less digits than its factorization.

220101002102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20009182009302.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220101002102201 its reverse (102201200101022), we get a palindrome (322302202203223).

The spelling of 220101002102201 in words is "two hundred twenty trillion, one hundred one billion, two million, one hundred two thousand, two hundred one".