1021132099997 has 2 divisors, whose sum is σ = 1021132099998. Its totient is φ = 1021132099996.

The previous prime is 1021132099993. The next prime is 1021132100077. The reversal of 1021132099997 is 7999902311201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 934984566916 + 86147533081 = 966946^2 + 293509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021132099997 - 2² = 1021132099993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021132099993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510566049998 + 510566049999.

It is an arithmetic number, because the mean of its divisors is an integer number (510566049999).

Almost surely, 2^{1021132099997} is an apocalyptic number.

It is an amenable number.

1021132099997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021132099997 is an equidigital number, since it uses as much as digits as its factorization.

1021132099997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124, while the sum is 53.

The spelling of 1021132099997 in words is "one trillion, twenty-one billion, one hundred thirty-two million, ninety-nine thousand, nine hundred ninety-seven".