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12222120222101 = 233397211162591
BaseRepresentation
bin1011000111011010111100…
…1000100101110110010101
31121021102102120110111111002
42301312233020211312111
53100221400234101401
641554433045153045
72401006350522656
oct261665710456625
947242376414432
1012222120222101
113992410265299
12145488b3bb785
136a8705734a7a
143037a77b752d
15162dd331ea6b
hexb1daf225d95

12222120222101 has 16 divisors (see below), whose sum is σ = 12311519920128. Its totient is φ = 12133066492800.

The previous prime is 12222120222089. The next prime is 12222120222133. The reversal of 12222120222101 is 10122202122221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12222120222101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222120222701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195238316 + ... + 195300906.

It is an arithmetic number, because the mean of its divisors is an integer number (769469995008).

Almost surely, 212222120222101 is an apocalyptic number.

It is an amenable number.

12222120222101 is a deficient number, since it is larger than the sum of its proper divisors (89399698027).

12222120222101 is a wasteful number, since it uses less digits than its factorization.

12222120222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65332.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12222120222101 its reverse (10122202122221), we get a palindrome (22344322344322).

The spelling of 12222120222101 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty million, two hundred twenty-two thousand, one hundred one".

Divisors: 1 233 397 2111 62591 92501 491863 838067 14583703 24848627 132129601 195269611 5789730091 30786197033 52455451597 12222120222101