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1121102213 = 721117294219
BaseRepresentation
bin100001011010010…
…1010100110000101
32220010112220010012
41002310222212011
54244000232323
6303125040005
736532132400
oct10264524605
92803486105
101121102213
11525918760
12273556005
1314b35b9ba
14a8c72d37
1568653678
hex42d2a985

1121102213 has 48 divisors (see below), whose sum is σ = 1558699200. Its totient is φ = 793658880.

The previous prime is 1121102189. The next prime is 1121102251. The reversal of 1121102213 is 3122011211.

It is not a de Polignac number, because 1121102213 - 230 = 47360389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121102273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 263618 + ... + 267836.

It is an arithmetic number, because the mean of its divisors is an integer number (32472900).

Almost surely, 21121102213 is an apocalyptic number.

It is an amenable number.

1121102213 is a deficient number, since it is larger than the sum of its proper divisors (437596987).

1121102213 is a wasteful number, since it uses less digits than its factorization.

1121102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290 (or 4283 counting only the distinct ones).

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

The square root of 1121102213 is about 33482.8644682620. The cubic root of 1121102213 is about 1038.8393773988.

Adding to 1121102213 its reverse (3122011211), we get a palindrome (4243113424).

The spelling of 1121102213 in words is "one billion, one hundred twenty-one million, one hundred two thousand, two hundred thirteen".

Divisors: 1 7 11 17 29 49 77 119 187 203 319 493 539 833 1309 1421 2233 3451 4219 5423 9163 15631 24157 29533 37961 46409 71723 122351 206731 265727 324863 502061 788953 856457 1345861 2079967 2274041 3514427 5522671 5995199 9421027 14559769 22879637 38658697 65947189 101918383 160157459 1121102213