Search a number
-
+
2102112112222 = 222339711872181
BaseRepresentation
bin11110100101101111101…
…001010100111001011110
321102221220210210121111101
4132211233221110321132
5233420111200042342
64245410313543314
7304605204065113
oct36455751247136
97387823717441
102102112112222
11740556538081
1229b4a1114b3a
131232c7812a55
1473a5823090a
1539a328733b7
hex1e96fa54e5e

2102112112222 has 16 divisors (see below), whose sum is σ = 3175286308992. Its totient is φ = 1043707088160.

The previous prime is 2102112112181. The next prime is 2102112112231. The reversal of 2102112112222 is 2222112112012.

It is a self number, because there is not a number n which added to its sum of digits gives 2102112112222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5759029 + ... + 6113152.

It is an arithmetic number, because the mean of its divisors is an integer number (198455394312).

Almost surely, 22102112112222 is an apocalyptic number.

2102112112222 is a deficient number, since it is larger than the sum of its proper divisors (1073174196770).

2102112112222 is a wasteful number, since it uses less digits than its factorization.

2102112112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11872803.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2102112112222 its reverse (2222112112012), we get a palindrome (4324224224234).

The spelling of 2102112112222 in words is "two trillion, one hundred two billion, one hundred twelve million, one hundred twelve thousand, two hundred twenty-two".

Divisors: 1 2 223 397 446 794 88531 177062 11872181 23744362 2647496363 4713255857 5294992726 9426511714 1051056056111 2102112112222