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1102121201 = 19382315173
BaseRepresentation
bin100000110110001…
…0000100011110001
32211210211120001202
41001230100203301
54224120334301
6301210140545
736211606226
oct10154204361
92753746052
101102121201
11516133a75
12269121755
1314744432c
14a653194d
1566b5466b
hex41b108f1

1102121201 has 8 divisors (see below), whose sum is σ = 1160507520. Its totient is φ = 1043772912.

The previous prime is 1102121173. The next prime is 1102121243. The reversal of 1102121201 is 1021212011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1102121201 is a prime.

It is a super-2 number, since 2×11021212012 = 2429342283387364802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102121281) 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, 65051 + ... + 80223.

It is an arithmetic number, because the mean of its divisors is an integer number (145063440).

Almost surely, 21102121201 is an apocalyptic number.

It is an amenable number.

1102121201 is a deficient number, since it is larger than the sum of its proper divisors (58386319).

1102121201 is a wasteful number, since it uses less digits than its factorization.

1102121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19015.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1102121201 is about 33198.2108102229. The cubic root of 1102121201 is about 1032.9432268572.

Adding to 1102121201 its reverse (1021212011), we get a palindrome (2123333212).

The spelling of 1102121201 in words is "one billion, one hundred two million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 19 3823 15173 72637 288287 58006379 1102121201