2011212010993 has 2 divisors, whose sum is σ = 2011212010994. Its totient is φ = 2011212010992.

The previous prime is 2011212010987. The next prime is 2011212011021. The reversal of 2011212010993 is 3990102121102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1151571510769 + 859640500224 = 1073113^2 + 927168^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011212010993 - 2³⁷ = 1873773057521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2011212010793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005606005496 + 1005606005497.

It is an arithmetic number, because the mean of its divisors is an integer number (1005606005497).

Almost surely, 2^{2011212010993} is an apocalyptic number.

It is an amenable number.

2011212010993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011212010993 is an equidigital number, since it uses as much as digits as its factorization.

2011212010993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 2011212010993 in words is "two trillion, eleven billion, two hundred twelve million, ten thousand, nine hundred ninety-three".