10211121019951 has 2 divisors, whose sum is σ = 10211121019952. Its totient is φ = 10211121019950.

The previous prime is 10211121019877. The next prime is 10211121020029. The reversal of 10211121019951 is 15991012111201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211121019951 - 2⁹ = 10211121019439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211121119951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105560509975 + 5105560509976.

It is an arithmetic number, because the mean of its divisors is an integer number (5105560509976).

Almost surely, 2^{10211121019951} is an apocalyptic number.

10211121019951 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211121019951 is an equidigital number, since it uses as much as digits as its factorization.

10211121019951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 34.

The spelling of 10211121019951 in words is "ten trillion, two hundred eleven billion, one hundred twenty-one million, nineteen thousand, nine hundred fifty-one".