10221200120019 has 8 divisors (see below), whose sum is σ = 15575162087680. Its totient is φ = 5840685782856.

The previous prime is 10221200119997. The next prime is 10221200120057. The reversal of 10221200120019 is 91002100212201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10221200120019 - 2²⁴ = 10221183342803 is a prime.

It is a super-2 number, since 2×10221200120019² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 486723815239 = 10221200120019 / (1 + 0 + 2 + 2 + 1 + 2 + 0 + 0 + 1 + 2 + 0 + 0 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221200119977 and 10221200120004.

It is not an unprimeable number, because it can be changed into a prime (10221200124019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243361907599 + ... + 243361907640.

It is an arithmetic number, because the mean of its divisors is an integer number (1946895260960).

Almost surely, 2^{10221200120019} is an apocalyptic number.

10221200120019 is a deficient number, since it is larger than the sum of its proper divisors (5353961967661).

10221200120019 is an equidigital number, since it uses as much as digits as its factorization.

10221200120019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486723815249.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 10221200120019 in words is "ten trillion, two hundred twenty-one billion, two hundred million, one hundred twenty thousand, nineteen".