101121201012019 has 2 divisors, whose sum is σ = 101121201012020. Its totient is φ = 101121201012018.

The previous prime is 101121201011939. The next prime is 101121201012047. The reversal of 101121201012019 is 910210102121101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101121201012019 - 2²¹ = 101121198914867 is a prime.

It is a super-2 number, since 2×101121201012019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101121201012089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560600506009 + 50560600506010.

It is an arithmetic number, because the mean of its divisors is an integer number (50560600506010).

Almost surely, 2^{101121201012019} is an apocalyptic number.

101121201012019 is a deficient number, since it is larger than the sum of its proper divisors (1).

101121201012019 is an equidigital number, since it uses as much as digits as its factorization.

101121201012019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 101121201012019 in words is "one hundred one trillion, one hundred twenty-one billion, two hundred one million, twelve thousand, nineteen".