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222110211012001 = 13102197167181041
BaseRepresentation
bin110010100000001000010000…
…001110100111010110100001
31002010102112021111101220121121
4302200020100032213112201
5213103023203004341001
62104220004453052241
764532635041105334
oct6240102016472641
91063375244356547
10222110211012001
1164853458795764
1220ab2544327081
1396c1b97c45540
143cbc29796261b
151aa28e27cc6a1
hexca02103a75a1

222110211012001 has 8 divisors (see below), whose sum is σ = 239197953824424. Its totient is φ = 205022802766080.

The previous prime is 222110211011981. The next prime is 222110211012007. The reversal of 222110211012001 is 100210112011222.

It can be written as a sum of positive squares in 4 ways, for example, as 87127663008400 + 134982548003601 = 9334220^2 + 11618199^2 .

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

It is not a de Polignac number, because 222110211012001 - 27 = 222110211011873 is a prime.

It is a super-2 number, since 2×2221102110120012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222110211012007) 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, 82261960 + ... + 84919081.

It is an arithmetic number, because the mean of its divisors is an integer number (29899744228053).

Almost surely, 2222110211012001 is an apocalyptic number.

It is an amenable number.

222110211012001 is a deficient number, since it is larger than the sum of its proper divisors (17087742812423).

222110211012001 is a wasteful number, since it uses less digits than its factorization.

222110211012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167283251.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222110211012001 its reverse (100210112011222), we get a palindrome (322320323023223).

The spelling of 222110211012001 in words is "two hundred twenty-two trillion, one hundred ten billion, two hundred eleven million, twelve thousand, one".

Divisors: 1 13 102197 1328561 167181041 2173353533 17085400847077 222110211012001