10202021121319 has 4 divisors (see below), whose sum is σ = 10419085400544. Its totient is φ = 9984956842096.

The previous prime is 10202021121277. The next prime is 10202021121329. The reversal of 10202021121319 is 91312112020201.

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 10202021121319 - 2²³ = 10202012732711 is a prime.

It is a super-2 number, since 2×10202021121319² (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 = 10202021121293 and 10202021121302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202021121329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108532139542 + ... + 108532139635.

It is an arithmetic number, because the mean of its divisors is an integer number (2604771350136).

Almost surely, 2^{10202021121319} is an apocalyptic number.

10202021121319 is a deficient number, since it is larger than the sum of its proper divisors (217064279225).

10202021121319 is an equidigital number, since it uses as much as digits as its factorization.

10202021121319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217064279224.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 10202021121319 in words is "ten trillion, two hundred two billion, twenty-one million, one hundred twenty-one thousand, three hundred nineteen".