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12102201101 = 53792890423
BaseRepresentation
bin10110100010101100…
…01110111100001101
31011020102102111220102
423101112032330031
5144241130413401
65320520100445
7605622004064
oct132126167415
934212374812
1012102201101
1151504168a1
122419004725
1311ab399153
1482b4231db
154ac70c56b
hex2d158ef0d

12102201101 has 8 divisors (see below), whose sum is σ = 12486631680. Its totient is φ = 11723551632.

The previous prime is 12102201053. The next prime is 12102201103. The reversal of 12102201101 is 10110220121.

Adding to 12102201101 its reverse (10110220121), we get a palindrome (22212421222).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12102201101 - 26 = 12102201037 is a prime.

It is a super-2 number, since 2×121022011012 (a number of 21 digits) contains 22 as substring.

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 (12102201103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441025 + ... + 1449398.

It is an arithmetic number, because the mean of its divisors is an integer number (1560828960).

Almost surely, 212102201101 is an apocalyptic number.

It is an amenable number.

12102201101 is a deficient number, since it is larger than the sum of its proper divisors (384430579).

12102201101 is an equidigital number, since it uses as much as digits as its factorization.

12102201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890555.

The product of its (nonzero) digits is 8, while the sum is 11.

The spelling of 12102201101 in words is "twelve billion, one hundred two million, two hundred one thousand, one hundred one".

Divisors: 1 53 79 4187 2890423 153192419 228343417 12102201101