701112211000021 has 2 divisors, whose sum is σ = 701112211000022. Its totient is φ = 701112211000020.

The previous prime is 701112210999887. The next prime is 701112211000027. The reversal of 701112211000021 is 120000112211107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 700875323402500 + 236887597521 = 26474050^2 + 486711^2 .

It is an emirp because it is prime and its reverse (120000112211107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 701112211000021 - 2²¹ = 701112208902869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (701112211000027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350556105500010 + 350556105500011.

It is an arithmetic number, because the mean of its divisors is an integer number (350556105500011).

Almost surely, 2^{701112211000021} is an apocalyptic number.

It is an amenable number.

701112211000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

701112211000021 is an equidigital number, since it uses as much as digits as its factorization.

701112211000021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 701112211000021 its reverse (120000112211107), we get a palindrome (821112323211128).

The spelling of 701112211000021 in words is "seven hundred one trillion, one hundred twelve billion, two hundred eleven million, twenty-one", and thus it is an aban number.