101100210222221 has 4 divisors (see below), whose sum is σ = 115543097396832. Its totient is φ = 86657323047612.

The previous prime is 101100210222173. The next prime is 101100210222229. The reversal of 101100210222221 is 122222012001101.

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 101100210222221 - 2¹⁴ = 101100210205837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101100210222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101100210222229) 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, 7221443587295 + ... + 7221443587308.

It is an arithmetic number, because the mean of its divisors is an integer number (28885774349208).

Almost surely, 2^{101100210222221} is an apocalyptic number.

It is an amenable number.

101100210222221 is a deficient number, since it is larger than the sum of its proper divisors (14442887174611).

101100210222221 is an equidigital number, since it uses as much as digits as its factorization.

101100210222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14442887174610.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101100210222221 its reverse (122222012001101), we get a palindrome (223322222223322).

The spelling of 101100210222221 in words is "one hundred one trillion, one hundred billion, two hundred ten million, two hundred twenty-two thousand, two hundred twenty-one".