1020211848977 has 2 divisors, whose sum is σ = 1020211848978. Its totient is φ = 1020211848976.

The previous prime is 1020211848973. The next prime is 1020211849003. The reversal of 1020211848977 is 7798481120201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 952466691136 + 67745157841 = 975944^2 + 260279^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020211848977 - 2² = 1020211848973 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020211848973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510105924488 + 510105924489.

It is an arithmetic number, because the mean of its divisors is an integer number (510105924489).

Almost surely, 2^{1020211848977} is an apocalyptic number.

It is an amenable number.

1020211848977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020211848977 is an equidigital number, since it uses as much as digits as its factorization.

1020211848977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 451584, while the sum is 50.

The spelling of 1020211848977 in words is "one trillion, twenty billion, two hundred eleven million, eight hundred forty-eight thousand, nine hundred seventy-seven".