10210122019961 has 2 divisors, whose sum is σ = 10210122019962. Its totient is φ = 10210122019960.

The previous prime is 10210122019957. The next prime is 10210122019973. The reversal of 10210122019961 is 16991022101201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6272675529961 + 3937446490000 = 2504531^2 + 1984300^2 .

It is an emirp because it is prime and its reverse (16991022101201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10210122019961 - 2² = 10210122019957 is a prime.

It is a super-3 number, since 3×10210122019961³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (10210122019921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105061009980 + 5105061009981.

It is an arithmetic number, because the mean of its divisors is an integer number (5105061009981).

Almost surely, 2^{10210122019961} is an apocalyptic number.

It is an amenable number.

10210122019961 is a deficient number, since it is larger than the sum of its proper divisors (1).

10210122019961 is an equidigital number, since it uses as much as digits as its factorization.

10210122019961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 10210122019961 in words is "ten trillion, two hundred ten billion, one hundred twenty-two million, nineteen thousand, nine hundred sixty-one".