Search a number
-
+
11102001211212 = 2231261973315379
BaseRepresentation
bin1010000110001110001011…
…0101101010011101001100
31110022100012112221002020220
42201203202311222131030
52423343344302224322
635340104451311340
72224043640160002
oct241434265523514
943270175832226
1011102001211212
1135a037228967a
1212b37858ab550
13626bb6713232
142a54a82c8a72
15143bc644555c
hexa18e2d6a74c

11102001211212 has 24 divisors (see below), whose sum is σ = 25906722676800. Its totient is φ = 3700373758416.

The previous prime is 11102001211201. The next prime is 11102001211247. The reversal of 11102001211212 is 21211210020111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11102001211191 and 11102001211200.

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, 36506262 + ... + 36809117.

It is an arithmetic number, because the mean of its divisors is an integer number (1079446778200).

Almost surely, 211102001211212 is an apocalyptic number.

11102001211212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11102001211212 is an abundant number, since it is smaller than the sum of its proper divisors (14804721465588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11102001211212 is a wasteful number, since it uses less digits than its factorization.

11102001211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73328005 (or 73328003 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11102001211212 its reverse (21211210020111), we get a palindrome (32313211231323).

The spelling of 11102001211212 in words is "eleven trillion, one hundred two billion, one million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 12619 25238 37857 50476 75714 151428 73315379 146630758 219946137 293261516 439892274 879784548 925166767601 1850333535202 2775500302803 3700667070404 5551000605606 11102001211212