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2102211111101 = 5779113999283
BaseRepresentation
bin11110100101110101100…
…010111110100010111101
321102222011201002021102112
4132211311202332202331
5233420312021023401
64245424211503405
7304610515420433
oct36456542764275
97388151067375
102102211111101
117405a7405432
1229b50a2b7b65
1312331219597a
1473a67440d53
1539a3b3cb3bb
hex1e9758be8bd

2102211111101 has 8 divisors (see below), whose sum is σ = 2108166570624. Its totient is φ = 2096263653120.

The previous prime is 2102211111089. The next prime is 2102211111103. The reversal of 2102211111101 is 1011111122012.

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 2102211111101 - 230 = 2101137369277 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 (2102211111103) 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, 1473995 + ... + 2525288.

It is an arithmetic number, because the mean of its divisors is an integer number (263520821328).

Almost surely, 22102211111101 is an apocalyptic number.

It is an amenable number.

2102211111101 is a deficient number, since it is larger than the sum of its proper divisors (5955459523).

2102211111101 is an equidigital number, since it uses as much as digits as its factorization.

2102211111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000771.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 2102211111101 its reverse (1011111122012), we get a palindrome (3113322233113).

The spelling of 2102211111101 in words is "two trillion, one hundred two billion, two hundred eleven million, one hundred eleven thousand, one hundred one".

Divisors: 1 577 911 525647 3999283 2307586291 3643346813 2102211111101