20100102210219 has 4 divisors (see below), whose sum is σ = 26800136280296. Its totient is φ = 13400068140144.

The previous prime is 20100102210179. The next prime is 20100102210233. The reversal of 20100102210219 is 91201220100102.

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

It is not a de Polignac number, because 20100102210219 - 2¹² = 20100102206123 is a prime.

It is a super-2 number, since 2×20100102210219² (a number of 27 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 = 20100102210195 and 20100102210204.

It is not an unprimeable number, because it can be changed into a prime (20100102210619) 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, 3350017035034 + ... + 3350017035039.

It is an arithmetic number, because the mean of its divisors is an integer number (6700034070074).

Almost surely, 2^{20100102210219} is an apocalyptic number.

20100102210219 is a deficient number, since it is larger than the sum of its proper divisors (6700034070077).

20100102210219 is an equidigital number, since it uses as much as digits as its factorization.

20100102210219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6700034070076.

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

The spelling of 20100102210219 in words is "twenty trillion, one hundred billion, one hundred two million, two hundred ten thousand, two hundred nineteen".