10202122021219 has 4 divisors (see below), whose sum is σ = 10202461454520. Its totient is φ = 10201782587920.

The previous prime is 10202122021211. The next prime is 10202122021279. The reversal of 10202122021219 is 91212022120201.

It is a happy number.

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 10202122021219 - 2³ = 10202122021211 is a prime.

It is a super-2 number, since 2×10202122021219² (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 = 10202122021193 and 10202122021202.

It is not an unprimeable number, because it can be changed into a prime (10202122021211) 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, 169671562 + ... + 169731679.

It is an arithmetic number, because the mean of its divisors is an integer number (2550615363630).

Almost surely, 2^{10202122021219} is an apocalyptic number.

10202122021219 is a deficient number, since it is larger than the sum of its proper divisors (339433301).

10202122021219 is an equidigital number, since it uses as much as digits as its factorization.

10202122021219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339433300.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 10202122021219 in words is "ten trillion, two hundred two billion, one hundred twenty-two million, twenty-one thousand, two hundred nineteen".