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11111001002212 = 223869971778347
BaseRepresentation
bin1010000110101111101101…
…0001001001000011100100
31110100012102202121211120111
42201223323101021003210
52424020312224032322
635344153504142404
72224512651140506
oct241537321110344
943305382554514
1011111001002212
1135a4170447881
1212b5477907a04
136279bc11c357
142a5abd687d76
151440515d0177
hexa1afb4490e4

11111001002212 has 12 divisors (see below), whose sum is σ = 19444754473200. Its totient is φ = 5555356867016.

The previous prime is 11111001002201. The next prime is 11111001002237. The reversal of 11111001002212 is 21220010011111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11111001002192 and 11111001002201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35734378 + ... + 36043969.

It is an arithmetic number, because the mean of its divisors is an integer number (1620396206100).

Almost surely, 211111001002212 is an apocalyptic number.

It is an amenable number.

11111001002212 is a deficient number, since it is larger than the sum of its proper divisors (8333753470988).

11111001002212 is a wasteful number, since it uses less digits than its factorization.

11111001002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71817050 (or 71817048 counting only the distinct ones).

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

Adding to 11111001002212 its reverse (21220010011111), we get a palindrome (32331011013323).

The spelling of 11111001002212 in words is "eleven trillion, one hundred eleven billion, one million, two thousand, two hundred twelve".

Divisors: 1 2 4 38699 77398 154796 71778347 143556694 287113388 2777750250553 5555500501106 11111001002212