10221400222987 has 2 divisors, whose sum is σ = 10221400222988. Its totient is φ = 10221400222986.

The previous prime is 10221400222973. The next prime is 10221400223081. The reversal of 10221400222987 is 78922200412201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221400222987 - 2¹⁵ = 10221400190219 is a prime.

It is not a weakly prime, because it can be changed into another prime (10221400222487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110700111493 + 5110700111494.

It is an arithmetic number, because the mean of its divisors is an integer number (5110700111494).

Almost surely, 2^{10221400222987} is an apocalyptic number.

10221400222987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221400222987 is an equidigital number, since it uses as much as digits as its factorization.

10221400222987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 10221400222987 in words is "ten trillion, two hundred twenty-one billion, four hundred million, two hundred twenty-two thousand, nine hundred eighty-seven".