222021121101 has 16 divisors (see below), whose sum is σ = 318956023680. Its totient is φ = 136561325760.

The previous prime is 222021121093. The next prime is 222021121103. The reversal of 222021121101 is 101121120222.

It is not a de Polignac number, because 222021121101 - 2³ = 222021121093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222021121103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1316470 + ... + 1475511.

It is an arithmetic number, because the mean of its divisors is an integer number (19934751480).

Almost surely, 2^222021121101 is an apocalyptic number.

It is an amenable number.

222021121101 is a deficient number, since it is larger than the sum of its proper divisors (96934902579).

222021121101 is a wasteful number, since it uses less digits than its factorization.

222021121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794036.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222021121101 its reverse (101121120222), we get a palindrome (323142241323).

The spelling of 222021121101 in words is "two hundred twenty-two billion, twenty-one million, one hundred twenty-one thousand, one hundred one".