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2220212111011 is a prime number
BaseRepresentation
bin100000010011101110111…
…101000100011010100011
321212020202101210011022121
4200103232331010122203
5242333443300023021
64415541254445111
7316255632364306
oct40235675043243
97766671704277
102220212111011
1178664a946164
122ba360663797
13131499195b3b
147965d0acb3d
153cb45b1a741
hex204eef446a3

2220212111011 has 2 divisors, whose sum is σ = 2220212111012. Its totient is φ = 2220212111010.

The previous prime is 2220212111009. The next prime is 2220212111053. The reversal of 2220212111011 is 1101112120222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220212111011 - 21 = 2220212111009 is a prime.

Together with 2220212111009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2220212112011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110106055505 + 1110106055506.

It is an arithmetic number, because the mean of its divisors is an integer number (1110106055506).

Almost surely, 22220212111011 is an apocalyptic number.

2220212111011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220212111011 is an equidigital number, since it uses as much as digits as its factorization.

2220212111011 is an evil number, because the sum of its binary digits is even.

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

Adding to 2220212111011 its reverse (1101112120222), we get a palindrome (3321324231233).

The spelling of 2220212111011 in words is "two trillion, two hundred twenty billion, two hundred twelve million, one hundred eleven thousand, eleven".