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1111211201112 = 23371933643661
BaseRepresentation
bin10000001010111001010…
…110010101001001011000
310221020020012220210102120
4100022321112111021120
5121201230031413422
62210252224301240
7143165564236035
oct20127126251130
93836205823376
101111211201112
11399297832361
1215b43a471820
1380a2c6ac39c
143bad643438c
151dd89d5d45c
hex102b9595258

1111211201112 has 32 divisors (see below), whose sum is σ = 2778070938480. Its totient is φ = 370398008960.

The previous prime is 1111211201099. The next prime is 1111211201147. The reversal of 1111211201112 is 2111021121111.

It is a junction number, because it is equal to n+sod(n) for n = 1111211201091 and 1111211201100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404562 + ... + 2048222.

Almost surely, 21111211201112 is an apocalyptic number.

1111211201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111211201112 is an abundant number, since it is smaller than the sum of its proper divisors (1666859737368).

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

1111211201112 is a wasteful number, since it uses less digits than its factorization.

1111211201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715603 (or 715599 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 1111211201112 its reverse (2111021121111), we get a palindrome (3222232322223).

The spelling of 1111211201112 in words is "one trillion, one hundred eleven billion, two hundred eleven million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 71933 143866 215799 287732 431598 575464 643661 863196 1287322 1726392 1930983 2574644 3861966 5149288 7723932 15447864 46300466713 92600933426 138901400139 185201866852 277802800278 370403733704 555605600556 1111211201112