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1122311201 = 11102028291
BaseRepresentation
bin100001011100101…
…0001110000100001
32220012211022112112
41002321101300201
54244302424301
6303211005105
736545326214
oct10271216041
92805738475
101122311201
11526574020
12273a39795
1314b69308b
14a90a977b
15687e19bb
hex42e51c21

1122311201 has 4 divisors (see below), whose sum is σ = 1224339504. Its totient is φ = 1020282900.

The previous prime is 1122311189. The next prime is 1122311221. The reversal of 1122311201 is 1021132211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1021132211 = 1192830201.

It is a cyclic number.

It is not a de Polignac number, because 1122311201 - 210 = 1122310177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122311221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51014135 + ... + 51014156.

It is an arithmetic number, because the mean of its divisors is an integer number (306084876).

Almost surely, 21122311201 is an apocalyptic number.

1122311201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122311201 is a deficient number, since it is larger than the sum of its proper divisors (102028303).

1122311201 is a wasteful number, since it uses less digits than its factorization.

1122311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102028302.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1122311201 is about 33500.9134353080. The cubic root of 1122311201 is about 1039.2126687098.

Adding to 1122311201 its reverse (1021132211), we get a palindrome (2143443412).

The spelling of 1122311201 in words is "one billion, one hundred twenty-two million, three hundred eleven thousand, two hundred one".

Divisors: 1 11 102028291 1122311201