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1122102421 = 11230944179
BaseRepresentation
bin100001011100001…
…1110110010010101
32220012102201010221
41002320132302111
54244224234141
6303202314341
736543466426
oct10270366225
92805381127
101122102421
11526441180
122739589b1
1314b61c03b
14a905364d
156879ebd1
hex42e1ec95

1122102421 has 8 divisors (see below), whose sum is σ = 1224669600. Its totient is φ = 1019628240.

The previous prime is 1122102413. The next prime is 1122102427. The reversal of 1122102421 is 1242012211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1122102421 - 23 = 1122102413 is a prime.

It is a super-2 number, since 2×11221024212 = 2518227686428122482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1122102395 and 1122102404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122102427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3310 + ... + 47488.

It is an arithmetic number, because the mean of its divisors is an integer number (153083700).

Almost surely, 21122102421 is an apocalyptic number.

1122102421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1122102421 is a deficient number, since it is larger than the sum of its proper divisors (102567179).

1122102421 is a wasteful number, since it uses less digits than its factorization.

1122102421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46499.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1122102421 is about 33497.7972559391. The cubic root of 1122102421 is about 1039.1482242325.

Adding to 1122102421 its reverse (1242012211), we get a palindrome (2364114632).

The spelling of 1122102421 in words is "one billion, one hundred twenty-two million, one hundred two thousand, four hundred twenty-one".

Divisors: 1 11 2309 25399 44179 485969 102009311 1122102421