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2222211112102 = 21111105556051
BaseRepresentation
bin100000010101100110000…
…110101001110010100110
321212102220201020221022001
4200111212012221302212
5242402042021041402
64420511504155514
7316356314535652
oct40254606516246
97772821227261
102222211112102
11787486270283
122ba81a008b9a
13131727380617
14797ac787a62
153cc11382187
hex205661a9ca6

2222211112102 has 4 divisors (see below), whose sum is σ = 3333316668156. Its totient is φ = 1111105556050.

The previous prime is 2222211112091. The next prime is 2222211112129. The reversal of 2222211112102 is 2012111122222.

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

It is a super-3 number, since 3×22222111121023 (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2222211112102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555552778024 + ... + 555552778027.

It is an arithmetic number, because the mean of its divisors is an integer number (833329167039).

Almost surely, 22222211112102 is an apocalyptic number.

2222211112102 is a deficient number, since it is larger than the sum of its proper divisors (1111105556054).

2222211112102 is a wasteful number, since it uses less digits than its factorization.

2222211112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111105556053.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2222211112102 its reverse (2012111122222), we get a palindrome (4234322234324).

The spelling of 2222211112102 in words is "two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred twelve thousand, one hundred two".

Divisors: 1 2 1111105556051 2222211112102