101121211993019 has 2 divisors, whose sum is σ = 101121211993020. Its totient is φ = 101121211993018.

The previous prime is 101121211993003. The next prime is 101121211993097. The reversal of 101121211993019 is 910399112121101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101121211993019 - 2⁴ = 101121211993003 is a prime.

It is a super-2 number, since 2×101121211993019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101121211995019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560605996509 + 50560605996510.

It is an arithmetic number, because the mean of its divisors is an integer number (50560605996510).

Almost surely, 2^{101121211993019} is an apocalyptic number.

101121211993019 is a deficient number, since it is larger than the sum of its proper divisors (1).

101121211993019 is an equidigital number, since it uses as much as digits as its factorization.

101121211993019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 41.

The spelling of 101121211993019 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred eleven million, nine hundred ninety-three thousand, nineteen".