1010121109997 has 2 divisors, whose sum is σ = 1010121109998. Its totient is φ = 1010121109996.

The previous prime is 1010121109973. The next prime is 1010121110071. The reversal of 1010121109997 is 7999011210101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 965121548836 + 44999561161 = 982406^2 + 212131^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010121109997 - 2⁸ = 1010121109741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010121109297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505060554998 + 505060554999.

It is an arithmetic number, because the mean of its divisors is an integer number (505060554999).

Almost surely, 2^{1010121109997} is an apocalyptic number.

It is an amenable number.

1010121109997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010121109997 is an equidigital number, since it uses as much as digits as its factorization.

1010121109997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 41.

The spelling of 1010121109997 in words is "one trillion, ten billion, one hundred twenty-one million, one hundred nine thousand, nine hundred ninety-seven".