101002010100019 has 4 divisors (see below), whose sum is σ = 115430868685744. Its totient is φ = 86573151514296.

The previous prime is 101002010099957. The next prime is 101002010100029. The reversal of 101002010100019 is 910001010200101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101002010100019 - 2³¹ = 100999862616371 is a prime.

It is a super-2 number, since 2×101002010100019² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101002010099975 and 101002010100011.

It is not an unprimeable number, because it can be changed into a prime (101002010100029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7214429292852 + ... + 7214429292865.

It is an arithmetic number, because the mean of its divisors is an integer number (28857717171436).

Almost surely, 2^{101002010100019} is an apocalyptic number.

101002010100019 is a deficient number, since it is larger than the sum of its proper divisors (14428858585725).

101002010100019 is an equidigital number, since it uses as much as digits as its factorization.

101002010100019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14428858585724.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 101002010100019 in words is "one hundred one trillion, two billion, ten million, one hundred thousand, nineteen".