10002120213019 has 4 divisors (see below), whose sum is σ = 10911403868760. Its totient is φ = 9092836557280.

The previous prime is 10002120212927. The next prime is 10002120213091. The reversal of 10002120213019 is 91031202120001.

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 10002120213019 - 2²⁵ = 10002086658587 is a prime.

It is a super-2 number, since 2×10002120213019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10002120223019) 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, 454641827854 + ... + 454641827875.

It is an arithmetic number, because the mean of its divisors is an integer number (2727850967190).

Almost surely, 2^{10002120213019} is an apocalyptic number.

10002120213019 is a deficient number, since it is larger than the sum of its proper divisors (909283655741).

10002120213019 is an equidigital number, since it uses as much as digits as its factorization.

10002120213019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909283655740.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 10002120213019 in words is "ten trillion, two billion, one hundred twenty million, two hundred thirteen thousand, nineteen".