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2220212012111 = 10720749644973
BaseRepresentation
bin100000010011101110111…
…100101100010001001111
321212020202101121010122122
4200103232330230101033
5242333443233341421
64415541252403155
7316255631503052
oct40235674542117
97766671533578
102220212012111
1178664a888925
122ba3606164bb
1313149915cb12
147965d084a99
153cb45aeb2ab
hex204eef2c44f

2220212012111 has 4 divisors (see below), whose sum is σ = 2240961657192. Its totient is φ = 2199462367032.

The previous prime is 2220212012077. The next prime is 2220212012141. The reversal of 2220212012111 is 1112102120222.

2220212012111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2220212012111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220212012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220212012141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10374822380 + ... + 10374822593.

It is an arithmetic number, because the mean of its divisors is an integer number (560240414298).

Almost surely, 22220212012111 is an apocalyptic number.

2220212012111 is a deficient number, since it is larger than the sum of its proper divisors (20749645081).

2220212012111 is a wasteful number, since it uses less digits than its factorization.

2220212012111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20749645080.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2220212012111 its reverse (1112102120222), we get a palindrome (3332314132333).

The spelling of 2220212012111 in words is "two trillion, two hundred twenty billion, two hundred twelve million, twelve thousand, one hundred eleven".

Divisors: 1 107 20749644973 2220212012111