11111212020983 has 2 divisors, whose sum is σ = 11111212020984. Its totient is φ = 11111212020982.

The previous prime is 11111212020949. The next prime is 11111212021031. The reversal of 11111212020983 is 38902021211111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111212020983 - 2²⁴ = 11111195243767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111217020983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555606010491 + 5555606010492.

It is an arithmetic number, because the mean of its divisors is an integer number (5555606010492).

Almost surely, 2^{11111212020983} is an apocalyptic number.

11111212020983 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111212020983 is an equidigital number, since it uses as much as digits as its factorization.

11111212020983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 32.

The spelling of 11111212020983 in words is "eleven trillion, one hundred eleven billion, two hundred twelve million, twenty thousand, nine hundred eighty-three".