10221102101251 has 2 divisors, whose sum is σ = 10221102101252. Its totient is φ = 10221102101250.

The previous prime is 10221102101237. The next prime is 10221102101291. The reversal of 10221102101251 is 15210120112201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221102101251 - 2⁵ = 10221102101219 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221102101291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110551050625 + 5110551050626.

It is an arithmetic number, because the mean of its divisors is an integer number (5110551050626).

Almost surely, 2^{10221102101251} is an apocalyptic number.

10221102101251 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221102101251 is an equidigital number, since it uses as much as digits as its factorization.

10221102101251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 19.

Adding to 10221102101251 its reverse (15210120112201), we get a palindrome (25431222213452).

The spelling of 10221102101251 in words is "ten trillion, two hundred twenty-one billion, one hundred two million, one hundred one thousand, two hundred fifty-one".