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12002220111101 = 111091110919191
BaseRepresentation
bin1010111010100111110000…
…0100001111010011111101
31120111101211100121102200112
42232221330010033103331
53033121021322023401
641305424354435405
72346063126442433
oct256517404172375
946441740542615
1012002220111101
1139081273a0170
12141a13b292b65
13690a5c6430ac
142d6ca67b2d53
1515c312cb13bb
hexaea7c10f4fd

12002220111101 has 4 divisors (see below), whose sum is σ = 13093331030304. Its totient is φ = 10911109191900.

The previous prime is 12002220111083. The next prime is 12002220111109. The reversal of 12002220111101 is 10111102220021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12002220111101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002220111109) 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, 545555459585 + ... + 545555459606.

It is an arithmetic number, because the mean of its divisors is an integer number (3273332757576).

Almost surely, 212002220111101 is an apocalyptic number.

12002220111101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12002220111101 is a deficient number, since it is larger than the sum of its proper divisors (1091110919203).

12002220111101 is a wasteful number, since it uses less digits than its factorization.

12002220111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091110919202.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12002220111101 its reverse (10111102220021), we get a palindrome (22113322331122).

The spelling of 12002220111101 in words is "twelve trillion, two billion, two hundred twenty million, one hundred eleven thousand, one hundred one".

Divisors: 1 11 1091110919191 12002220111101