10220010211993 has 2 divisors, whose sum is σ = 10220010211994. Its totient is φ = 10220010211992.

The previous prime is 10220010211991. The next prime is 10220010212207. The reversal of 10220010211993 is 39911201002201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10086194719129 + 133815492864 = 3175877^2 + 365808^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220010211993 - 2¹ = 10220010211991 is a prime.

Together with 10220010211991, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10220010211991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110005105996 + 5110005105997.

It is an arithmetic number, because the mean of its divisors is an integer number (5110005105997).

Almost surely, 2^{10220010211993} is an apocalyptic number.

It is an amenable number.

10220010211993 is a deficient number, since it is larger than the sum of its proper divisors (1).

10220010211993 is an equidigital number, since it uses as much as digits as its factorization.

10220010211993 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 10220010211993 in words is "ten trillion, two hundred twenty billion, ten million, two hundred eleven thousand, nine hundred ninety-three".