221146269123 has 16 divisors (see below), whose sum is σ = 321369189120. Its totient is φ = 134450371104.

The previous prime is 221146269109. The next prime is 221146269133. The reversal of 221146269123 is 321962641122.

It is not a de Polignac number, because 221146269123 - 2⁴ = 221146269107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (221146269133) 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, 34155903 + ... + 34162376.

It is an arithmetic number, because the mean of its divisors is an integer number (20085574320).

Almost surely, 2^221146269123 is an apocalyptic number.

221146269123 is a deficient number, since it is larger than the sum of its proper divisors (100222919997).

221146269123 is a wasteful number, since it uses less digits than its factorization.

221146269123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68318378.

The product of its digits is 62208, while the sum is 39.

The spelling of 221146269123 in words is "two hundred twenty-one billion, one hundred forty-six million, two hundred sixty-nine thousand, one hundred twenty-three".