100120101021019 has 2 divisors, whose sum is σ = 100120101021020. Its totient is φ = 100120101021018.

The previous prime is 100120101021001. The next prime is 100120101021079. The reversal of 100120101021019 is 910120101021001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100120101021019 is a prime.

It is a super-2 number, since 2×100120101021019² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100120101020987 and 100120101021005.

It is not a weakly prime, because it can be changed into another prime (100120101021079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060050510509 + 50060050510510.

It is an arithmetic number, because the mean of its divisors is an integer number (50060050510510).

Almost surely, 2^{100120101021019} is an apocalyptic number.

100120101021019 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120101021019 is an equidigital number, since it uses as much as digits as its factorization.

100120101021019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 100120101021019 in words is "one hundred trillion, one hundred twenty billion, one hundred one million, twenty-one thousand, nineteen".