222110021101 has 4 divisors (see below), whose sum is σ = 222154421472. Its totient is φ = 222065620732.

The previous prime is 222110021087. The next prime is 222110021113. The reversal of 222110021101 is 101120011222.

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 222110021101 - 2²⁵ = 222076466669 is a prime.

It is a super-2 number, since 2×222110021101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110021191) 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, 22192681 + ... + 22202686.

It is an arithmetic number, because the mean of its divisors is an integer number (55538605368).

Almost surely, 2^222110021101 is an apocalyptic number.

It is an amenable number.

222110021101 is a deficient number, since it is larger than the sum of its proper divisors (44400371).

222110021101 is an equidigital number, since it uses as much as digits as its factorization.

222110021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44400370.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222110021101 its reverse (101120011222), we get a palindrome (323230032323).

The spelling of 222110021101 in words is "two hundred twenty-two billion, one hundred ten million, twenty-one thousand, one hundred one".