221020102210112 has 28 divisors (see below), whose sum is σ = 438587242372656. Its totient is φ = 110509930903680.

The previous prime is 221020102210109. The next prime is 221020102210121. The reversal of 221020102210112 is 211012201020122.

It is a super-4 number, since 4×221020102210112⁴ (a number of 58 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101716787 + ... + 103866957.

Almost surely, 2^{221020102210112} is an apocalyptic number.

It is an amenable number.

221020102210112 is a deficient number, since it is larger than the sum of its proper divisors (217567140162544).

221020102210112 is a wasteful number, since it uses less digits than its factorization.

221020102210112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756306 (or 3756296 counting only the distinct ones).

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

Adding to 221020102210112 its reverse (211012201020122), we get a palindrome (432032303230234).

The spelling of 221020102210112 in words is "two hundred twenty-one trillion, twenty billion, one hundred two million, two hundred ten thousand, one hundred twelve".