221412552241123 has 12 divisors (see below), whose sum is σ = 233751725503488. Its totient is φ = 209694136513680.

The previous prime is 221412552241117. The next prime is 221412552241189. The reversal of 221412552241123 is 321142255214122.

It is a de Polignac number, because none of the positive numbers 2^k-221412552241123 is a prime.

It is a super-2 number, since 2×221412552241123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221412552241523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94045411 + ... + 96370972.

It is an arithmetic number, because the mean of its divisors is an integer number (19479310458624).

Almost surely, 2^{221412552241123} is an apocalyptic number.

221412552241123 is a deficient number, since it is larger than the sum of its proper divisors (12339173262365).

221412552241123 is a wasteful number, since it uses less digits than its factorization.

221412552241123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190419642 (or 190419623 counting only the distinct ones).

The product of its digits is 76800, while the sum is 37.

The spelling of 221412552241123 in words is "two hundred twenty-one trillion, four hundred twelve billion, five hundred fifty-two million, two hundred forty-one thousand, one hundred twenty-three".