221002110019 has 16 divisors (see below), whose sum is σ = 233751168000. Its totient is φ = 208365877440.

The previous prime is 221002109953. The next prime is 221002110053. The reversal of 221002110019 is 910011200122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 221002110019 - 2⁹ = 221002109507 is a prime.

It is a super-2 number, since 2×221002110019² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221002109978 and 221002110005.

It is not an unprimeable number, because it can be changed into a prime (221002110079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7800922 + ... + 7829200.

It is an arithmetic number, because the mean of its divisors is an integer number (14609448000).

Almost surely, 2^221002110019 is an apocalyptic number.

221002110019 is a deficient number, since it is larger than the sum of its proper divisors (12749057981).

221002110019 is a wasteful number, since it uses less digits than its factorization.

221002110019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30258.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 221002110019 in words is "two hundred twenty-one billion, two million, one hundred ten thousand, nineteen".