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13022032122221 = 20536342928457
BaseRepresentation
bin1011110101111110110110…
…0110010101000101101101
31201002220010210211022011012
42331133231212111011231
53201323110210402341
643410123341235005
72512545044505023
oct275375546250555
951086123738135
1013022032122221
114170681716271
121563910262a65
13735c84376325
143303ac168713
15178aeda0d0eb
hexbd7ed99516d

13022032122221 has 4 divisors (see below), whose sum is σ = 13028375052732. Its totient is φ = 13015689191712.

The previous prime is 13022032122179. The next prime is 13022032122263. The reversal of 13022032122221 is 12222123022031.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (13022032122179) and next prime (13022032122263).

It can be written as a sum of positive squares in 2 ways, for example, as 3318277564996 + 9703754557225 = 1821614^2 + 3115085^2 .

It is a cyclic number.

It is not a de Polignac number, because 13022032122221 - 214 = 13022032105837 is a prime.

It is a super-2 number, since 2×130220321222212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022032182221) 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, 3171462176 + ... + 3171466281.

It is an arithmetic number, because the mean of its divisors is an integer number (3257093763183).

Almost surely, 213022032122221 is an apocalyptic number.

It is an amenable number.

13022032122221 is a deficient number, since it is larger than the sum of its proper divisors (6342930511).

13022032122221 is an equidigital number, since it uses as much as digits as its factorization.

13022032122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342930510.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13022032122221 its reverse (12222123022031), we get a palindrome (25244155144252).

The spelling of 13022032122221 in words is "thirteen trillion, twenty-two billion, thirty-two million, one hundred twenty-two thousand, two hundred twenty-one".

Divisors: 1 2053 6342928457 13022032122221