221414265321145 has 64 divisors (see below), whose sum is σ = 294906274790400. Its totient is φ = 158574691491840.

The previous prime is 221414265321143. The next prime is 221414265321149. The reversal of 221414265321145 is 541123562414122.

It is not a de Polignac number, because 221414265321145 - 2¹ = 221414265321143 is a prime.

It is a super-2 number, since 2×221414265321145² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221414265321143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 231002409 + ... + 231958921.

It is an arithmetic number, because the mean of its divisors is an integer number (4607910543600).

Almost surely, 2^{221414265321145} is an apocalyptic number.

It is an amenable number.

221414265321145 is a deficient number, since it is larger than the sum of its proper divisors (73492009469255).

221414265321145 is a wasteful number, since it uses less digits than its factorization.

221414265321145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957410.

The product of its digits is 460800, while the sum is 43.

The spelling of 221414265321145 in words is "two hundred twenty-one trillion, four hundred fourteen billion, two hundred sixty-five million, three hundred twenty-one thousand, one hundred forty-five".