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1112210120221 = 103199220324631
BaseRepresentation
bin10000001011110100111…
…000111001111000011101
310221022210211120010211121
4100023310320321320131
5121210301242321341
62210535310450541
7143232414015454
oct20136470717035
93838724503747
101112210120221
1139975a688042
1215b678b03a51
1380b5b62b595
143bb8cd7db9b
151dde78c94d1
hex102f4e39e1d

1112210120221 has 16 divisors (see below), whose sum is σ = 1129209702400. Its totient is φ = 1095335310960.

The previous prime is 1112210120207. The next prime is 1112210120293. The reversal of 1112210120221 is 1220210122111.

It is a cyclic number.

It is not a de Polignac number, because 1112210120221 - 239 = 562454306333 is a prime.

It is a super-2 number, since 2×11122101202212 (a number of 25 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 = 1112210120195 and 1112210120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112210150221) 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, 45142576 + ... + 45167206.

It is an arithmetic number, because the mean of its divisors is an integer number (70575606400).

Almost surely, 21112210120221 is an apocalyptic number.

It is an amenable number.

1112210120221 is a deficient number, since it is larger than the sum of its proper divisors (16999582179).

1112210120221 is a wasteful number, since it uses less digits than its factorization.

1112210120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27136.

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

Adding to 1112210120221 its reverse (1220210122111), we get a palindrome (2332420242332).

The spelling of 1112210120221 in words is "one trillion, one hundred twelve billion, two hundred ten million, one hundred twenty thousand, two hundred twenty-one".

Divisors: 1 103 199 2203 20497 24631 226909 438397 2536993 4901569 45154891 54262093 504861607 5588995579 10798156507 1112210120221