1032211111861 has 2 divisors, whose sum is σ = 1032211111862. Its totient is φ = 1032211111860.

The previous prime is 1032211111823. The next prime is 1032211111969. The reversal of 1032211111861 is 1681111122301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 519705460836 + 512505651025 = 720906^2 + 715895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032211111861 - 2¹⁷ = 1032210980789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1032211112861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516105555930 + 516105555931.

It is an arithmetic number, because the mean of its divisors is an integer number (516105555931).

Almost surely, 2^{1032211111861} is an apocalyptic number.

It is an amenable number.

1032211111861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032211111861 is an equidigital number, since it uses as much as digits as its factorization.

1032211111861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 1032211111861 in words is "one trillion, thirty-two billion, two hundred eleven million, one hundred eleven thousand, eight hundred sixty-one".