221132121231122 has 16 divisors (see below), whose sum is σ = 342398520006144. Its totient is φ = 106999289496000.

The previous prime is 221132121231031. The next prime is 221132121231143.

221132121231122 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 221132121231091 and 221132121231100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74637722 + ... + 77543882.

It is an arithmetic number, because the mean of its divisors is an integer number (21399907500384).

Almost surely, 2^{221132121231122} is an apocalyptic number.

221132121231122 is a deficient number, since it is larger than the sum of its proper divisors (121266398775022).

221132121231122 is a wasteful number, since it uses less digits than its factorization.

221132121231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133465.

The product of its digits is 1152, while the sum is 26.

The spelling of 221132121231122 in words is "two hundred twenty-one trillion, one hundred thirty-two billion, one hundred twenty-one million, two hundred thirty-one thousand, one hundred twenty-two".