1011210940057 has 2 divisors, whose sum is σ = 1011210940058. Its totient is φ = 1011210940056.

The previous prime is 1011210940049. The next prime is 1011210940121. The reversal of 1011210940057 is 7500490121101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 662179297536 + 349031642521 = 813744^2 + 590789^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011210940057 - 2³ = 1011210940049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011210940657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505605470028 + 505605470029.

It is an arithmetic number, because the mean of its divisors is an integer number (505605470029).

Almost surely, 2^{1011210940057} is an apocalyptic number.

It is an amenable number.

1011210940057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011210940057 is an equidigital number, since it uses as much as digits as its factorization.

1011210940057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 31.

The spelling of 1011210940057 in words is "one trillion, eleven billion, two hundred ten million, nine hundred forty thousand, fifty-seven".