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2222121023111 = 11225781894721
BaseRepresentation
bin100000010101100000101…
…110111111011010000111
321212102200102201221102202
4200111200232333122013
5242401400440214421
64420454525225115
7316354142022563
oct40254056773207
97772612657382
102222121023111
1178743a429070
122ba7b3a0219b
131317117ca022
14797a08166a3
153cc084d910b
hex20560bbf687

2222121023111 has 8 divisors (see below), whose sum is σ = 2424145471248. Its totient is φ = 2020098816000.

The previous prime is 2222121023107. The next prime is 2222121023131. The reversal of 2222121023111 is 1113201212222.

2222121023111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2222121023111 - 22 = 2222121023107 is a prime.

It is a super-2 number, since 2×22221210231112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222121023131) 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, 2036231 + ... + 2930951.

It is an arithmetic number, because the mean of its divisors is an integer number (303018183906).

Almost surely, 22222121023111 is an apocalyptic number.

2222121023111 is a deficient number, since it is larger than the sum of its proper divisors (202024448137).

2222121023111 is a wasteful number, since it uses less digits than its factorization.

2222121023111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120513.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 2222121023111 its reverse (1113201212222), we get a palindrome (3335322235333).

The spelling of 2222121023111 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty-three thousand, one hundred eleven".

Divisors: 1 11 225781 894721 2483591 9841931 202011002101 2222121023111