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1112221222111 = 13212026941539
BaseRepresentation
bin10000001011110101100…
…011010000010011011111
310221022211121110011202201
4100023311203100103133
5121210312113101421
62210540344432331
7143232610254466
oct20136543202337
93838747404681
101112221222111
1139976598005a
1215b6807786a7
1380b60a1784c
143bb9062d9dd
151dde886db91
hex102f58d04df

1112221222111 has 8 divisors (see below), whose sum is σ = 1113144887600. Its totient is φ = 1111297682880.

The previous prime is 1112221222103. The next prime is 1112221222237.

It is a happy number.

1112221222111 is nontrivially palindromic in base 10.

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 1112221222111 - 23 = 1112221222103 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 (1112221223111) 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, 26754580 + ... + 26796118.

It is an arithmetic number, because the mean of its divisors is an integer number (139143110950).

Almost surely, 21112221222111 is an apocalyptic number.

1112221222111 is a deficient number, since it is larger than the sum of its proper divisors (923665489).

1112221222111 is a wasteful number, since it uses less digits than its factorization.

1112221222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63129.

The product of its digits is 64, while the sum is 19.

The spelling of 1112221222111 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, one hundred eleven".

Divisors: 1 1321 20269 41539 26775349 54873019 841953991 1112221222111