10201031221951 has 2 divisors, whose sum is σ = 10201031221952. Its totient is φ = 10201031221950.

The previous prime is 10201031221937. The next prime is 10201031221967. The reversal of 10201031221951 is 15912213010201.

It is a weak prime.

It is an emirp because it is prime and its reverse (15912213010201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10201031221951 - 2¹³ = 10201031213759 is a prime.

It is a super-2 number, since 2×10201031221951² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201031221151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100515610975 + 5100515610976.

It is an arithmetic number, because the mean of its divisors is an integer number (5100515610976).

Almost surely, 2^{10201031221951} is an apocalyptic number.

10201031221951 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201031221951 is an equidigital number, since it uses as much as digits as its factorization.

10201031221951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 10201031221951 in words is "ten trillion, two hundred one billion, thirty-one million, two hundred twenty-one thousand, nine hundred fifty-one".