221124121421122 has 32 divisors (see below), whose sum is σ = 358606653149232. Its totient is φ = 101883806613504.

The previous prime is 221124121421111. The next prime is 221124121421131.

221124121421122 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 8 ways, for example, as 198351478880361 + 22772642540761 = 14083731^2 + 4772069^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324809983 + ... + 325490050.

Almost surely, 2^{221124121421122} is an apocalyptic number.

221124121421122 is a deficient number, since it is larger than the sum of its proper divisors (137482531728110).

221124121421122 is a wasteful number, since it uses less digits than its factorization.

221124121421122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650300262.

The product of its digits is 2048, while the sum is 28.

The spelling of 221124121421122 in words is "two hundred twenty-one trillion, one hundred twenty-four billion, one hundred twenty-one million, four hundred twenty-one thousand, one hundred twenty-two".