101121211995019 has 2 divisors, whose sum is σ = 101121211995020. Its totient is φ = 101121211995018.

The previous prime is 101121211994989. The next prime is 101121211995061. The reversal of 101121211995019 is 910599112121101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101121211995019 - 2¹³ = 101121211986827 is a prime.

It is a super-2 number, since 2×101121211995019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101121211995079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560605997509 + 50560605997510.

It is an arithmetic number, because the mean of its divisors is an integer number (50560605997510).

Almost surely, 2^{101121211995019} is an apocalyptic number.

101121211995019 is a deficient number, since it is larger than the sum of its proper divisors (1).

101121211995019 is an equidigital number, since it uses as much as digits as its factorization.

101121211995019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 43.

The spelling of 101121211995019 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred eleven million, nine hundred ninety-five thousand, nineteen".