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211220011021103 = 7153291968444601
BaseRepresentation
bin110000000001101001111101…
…101110011111001100101111
31000200212102202201211121201222
4300001221331232133030233
5210141112040310133403
62025121044500453555
762330066530363430
oct6001517556371457
91020772681747658
10211220011021103
11613349a37aa827
121b833a2a3aa2bb
1390b1c66768296
143a23162bd1487
1519644b58b4338
hexc01a7db9f32f

211220011021103 has 8 divisors (see below), whose sum is σ = 241410045989280. Its totient is φ = 181033912972800.

The previous prime is 211220011021027. The next prime is 211220011021181. The reversal of 211220011021103 is 301120110022112.

It is a happy number.

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 211220011021103 - 212 = 211220011017007 is a prime.

It is a super-2 number, since 2×2112200110211032 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211220011021703) 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, 984114998 + ... + 984329603.

It is an arithmetic number, because the mean of its divisors is an integer number (30176255748660).

Almost surely, 2211220011021103 is an apocalyptic number.

211220011021103 is a deficient number, since it is larger than the sum of its proper divisors (30190034968177).

211220011021103 is a wasteful number, since it uses less digits than its factorization.

211220011021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968459937.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 211220011021103 its reverse (301120110022112), we get a palindrome (512340121043215).

The spelling of 211220011021103 in words is "two hundred eleven trillion, two hundred twenty billion, eleven million, twenty-one thousand, one hundred three".

Divisors: 1 7 15329 107303 1968444601 13779112207 30174287288729 211220011021103