2502214127221 has 2 divisors, whose sum is σ = 2502214127222. Its totient is φ = 2502214127220.

The previous prime is 2502214127107. The next prime is 2502214127263. The reversal of 2502214127221 is 1227214122052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1765406486596 + 736807640625 = 1328686^2 + 858375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502214127221 - 2⁷ = 2502214127093 is a prime.

It is a super-2 number, since 2×2502214127221² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2502214127821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251107063610 + 1251107063611.

It is an arithmetic number, because the mean of its divisors is an integer number (1251107063611).

Almost surely, 2^{2502214127221} is an apocalyptic number.

It is an amenable number.

2502214127221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502214127221 is an equidigital number, since it uses as much as digits as its factorization.

2502214127221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

Adding to 2502214127221 its reverse (1227214122052), we get a palindrome (3729428249273).

The spelling of 2502214127221 in words is "two trillion, five hundred two billion, two hundred fourteen million, one hundred twenty-seven thousand, two hundred twenty-one".