221402200151 has 16 divisors (see below), whose sum is σ = 242149149216. Its totient is φ = 200759040000.

The previous prime is 221402200141. The next prime is 221402200153. The reversal of 221402200151 is 151002204122.

It is a cyclic number.

It is not a de Polignac number, because 221402200151 - 2³⁴ = 204222330967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221402200153) 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, 8800871 + ... + 8825991.

It is an arithmetic number, because the mean of its divisors is an integer number (15134321826).

Almost surely, 2^221402200151 is an apocalyptic number.

221402200151 is a deficient number, since it is larger than the sum of its proper divisors (20746949065).

221402200151 is a wasteful number, since it uses less digits than its factorization.

221402200151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27154.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 221402200151 its reverse (151002204122), we get a palindrome (372404404273).

The spelling of 221402200151 in words is "two hundred twenty-one billion, four hundred two million, two hundred thousand, one hundred fifty-one".