222525150121 has 16 divisors (see below), whose sum is σ = 246152390400. Its totient is φ = 200090480128.

The previous prime is 222525150101. The next prime is 222525150149. The reversal of 222525150121 is 121051525222.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222525150121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222525150121.

It is not an unprimeable number, because it can be changed into a prime (222525150101) 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, 11116 + ... + 667213.

It is an arithmetic number, because the mean of its divisors is an integer number (15384524400).

Almost surely, 2^222525150121 is an apocalyptic number.

It is an amenable number.

222525150121 is a deficient number, since it is larger than the sum of its proper divisors (23627240279).

222525150121 is a wasteful number, since it uses less digits than its factorization.

222525150121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679208.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 222525150121 its reverse (121051525222), we get a palindrome (343576675343).

The spelling of 222525150121 in words is "two hundred twenty-two billion, five hundred twenty-five million, one hundred fifty thousand, one hundred twenty-one".