2122017149801 has 2 divisors, whose sum is σ = 2122017149802. Its totient is φ = 2122017149800.

The previous prime is 2122017149797. The next prime is 2122017149873. The reversal of 2122017149801 is 1089417102212.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1759642045225 + 362375104576 = 1326515^2 + 601976^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122017149801 - 2² = 2122017149797 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122017149881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061008574900 + 1061008574901.

It is an arithmetic number, because the mean of its divisors is an integer number (1061008574901).

Almost surely, 2^{2122017149801} is an apocalyptic number.

It is an amenable number.

2122017149801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122017149801 is an equidigital number, since it uses as much as digits as its factorization.

2122017149801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 2122017149801 in words is "two trillion, one hundred twenty-two billion, seventeen million, one hundred forty-nine thousand, eight hundred one".