202221201010019 has 4 divisors (see below), whose sum is σ = 202430323245744. Its totient is φ = 202012078774296.

The previous prime is 202221201009967. The next prime is 202221201010021. The reversal of 202221201010019 is 910010102122202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202221201010019 is a prime.

It is a super-2 number, since 2×202221201010019² (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 = 202221201009976 and 202221201010003.

It is not an unprimeable number, because it can be changed into a prime (202221201010099) 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, 104561116412 + ... + 104561118345.

It is an arithmetic number, because the mean of its divisors is an integer number (50607580811436).

Almost surely, 2^{202221201010019} is an apocalyptic number.

202221201010019 is a deficient number, since it is larger than the sum of its proper divisors (209122235725).

202221201010019 is an equidigital number, since it uses as much as digits as its factorization.

202221201010019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209122235724.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 202221201010019 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred one million, ten thousand, nineteen".