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11111010021112 = 2371910971760873
BaseRepresentation
bin1010000110101111101111…
…0011100010111011111000
31110100012110101121001011211
42201223323303202323320
52424020322031133422
635344154425332504
72224513120612621
oct241537363427370
943305411531154
1011111010021112
1135a4175547911
1212b547a937134
136279c0c59491
142a5ac0954a48
151440522b2577
hexa1afbce2ef8

11111010021112 has 32 divisors (see below), whose sum is σ = 20881148241600. Its totient is φ = 5542717924864.

The previous prime is 11111010021101. The next prime is 11111010021121. The reversal of 11111010021112 is 21112001011111.

It is a junction number, because it is equal to n+sod(n) for n = 11111010021092 and 11111010021101.

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, 5429508 + ... + 7190380.

It is an arithmetic number, because the mean of its divisors is an integer number (652535882550).

Almost surely, 211111010021112 is an apocalyptic number.

It is an amenable number.

11111010021112 is a deficient number, since it is larger than the sum of its proper divisors (9770138220488).

11111010021112 is a wasteful number, since it uses less digits than its factorization.

11111010021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762695 (or 1762691 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11111010021112 its reverse (21112001011111), we get a palindrome (32223011032223).

The spelling of 11111010021112 in words is "eleven trillion, one hundred eleven billion, ten million, twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 719 1097 1438 2194 2876 4388 5752 8776 788743 1577486 1760873 3154972 3521746 6309944 7043492 14086984 1266067687 1931677681 2532135374 3863355362 5064270748 7726710724 10128541496 15453421448 1388876252639 2777752505278 5555505010556 11111010021112