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121022100222110 = 2513873187235081
BaseRepresentation
bin11011100001000110100111…
…010010110011000010011110
3120212111121012020200001210022
4123201012213102303002132
5111330311230124101420
61105220441343512142
734330362314550503
oct3341064722630236
9525447166601708
10121022100222110
113561a20359907a
12116a6a885b8652
13526b4482380c9
1421c57026a54aa
15ded0e11e5c25
hex6e11a74b309e

121022100222110 has 16 divisors (see below), whose sum is σ = 217841353128432. Its totient is φ = 48408490593600.

The previous prime is 121022100222043. The next prime is 121022100222187. The reversal of 121022100222110 is 11222001220121.

121022100222110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1210221002221102 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42230231 + ... + 45004850.

It is an arithmetic number, because the mean of its divisors is an integer number (13615084570527).

Almost surely, 2121022100222110 is an apocalyptic number.

121022100222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022100222110 is a deficient number, since it is larger than the sum of its proper divisors (96819252906322).

121022100222110 is a wasteful number, since it uses less digits than its factorization.

121022100222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87373819.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121022100222110 its reverse (11222001220121), we get a palindrome (132244101442231).

The spelling of 121022100222110 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred million, two hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 5 10 138731 277462 693655 1387310 87235081 174470162 436175405 872350810 12102210022211 24204420044422 60511050111055 121022100222110