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1121201112 = 233169727529
BaseRepresentation
bin100001011010100…
…0010101111011000
32220010201220210010
41002311002233120
54244011413422
6303131121520
736533023623
oct10265025730
92803656703
101121201112
11525985a99
122735a32a0
1314b394a15
14a8c9adba
1568672b0c
hex42d42bd8

1121201112 has 32 divisors (see below), whose sum is σ = 2804756400. Its totient is φ = 373499904.

The previous prime is 1121201099. The next prime is 1121201143. The reversal of 1121201112 is 2111021211.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 26964 + ... + 54492.

Almost surely, 21121201112 is an apocalyptic number.

1121201112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121201112 is an abundant number, since it is smaller than the sum of its proper divisors (1683555288).

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

1121201112 is a wasteful number, since it uses less digits than its factorization.

1121201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29235 (or 29231 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1121201112 is about 33484.3412955967. The cubic root of 1121201112 is about 1038.8699238715.

Adding to 1121201112 its reverse (2111021211), we get a palindrome (3232222323).

The spelling of 1121201112 in words is "one billion, one hundred twenty-one million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 1697 3394 5091 6788 10182 13576 20364 27529 40728 55058 82587 110116 165174 220232 330348 660696 46716713 93433426 140150139 186866852 280300278 373733704 560600556 1121201112