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1111200120211 = 1451765816761
BaseRepresentation
bin10000001010111000101…
…100000011110110010011
310221020012110001211021211
4100022320230003312103
5121201214212321321
62210251151000551
7143165401115146
oct20127054036623
93836173054254
101111200120211
11399291554095
1215b436809157
1380a2a2cc83c
143bad4b8c05d
151dd88dc00e1
hex102b8b03d93

1111200120211 has 4 divisors (see below), whose sum is σ = 1111965938424. Its totient is φ = 1110434302000.

The previous prime is 1111200120179. The next prime is 1111200120227. The reversal of 1111200120211 is 1120210021111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1111200120211 - 25 = 1111200120179 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111200120191 and 1111200120200.

It is not an unprimeable number, because it can be changed into a prime (1111200120241) 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, 382906930 + ... + 382909831.

It is an arithmetic number, because the mean of its divisors is an integer number (277991484606).

Almost surely, 21111200120211 is an apocalyptic number.

1111200120211 is a deficient number, since it is larger than the sum of its proper divisors (765818213).

1111200120211 is an equidigital number, since it uses as much as digits as its factorization.

1111200120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765818212.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111200120211 its reverse (1120210021111), we get a palindrome (2231410141322).

The spelling of 1111200120211 in words is "one trillion, one hundred eleven billion, two hundred million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 1451 765816761 1111200120211