Search a number
-
+
101222121022212 = 22359142969097489
BaseRepresentation
bin10111000000111110011100…
…100100010010001100000100
3111021101201222122122000000010
4113000332130210102030010
5101231410400440202322
6555140444521350220
730215025343343361
oct2700763444221404
9437351878560003
10101222121022212
112a286073509703
12b429637638370
134463288676bb8
141add2691c1468
15ba804654220c
hex5c0f9c912304

101222121022212 has 24 divisors (see below), whose sum is σ = 240188083783200. Its totient is φ = 33168830617216.

The previous prime is 101222121022189. The next prime is 101222121022261. The reversal of 101222121022212 is 212220121222101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71484548037 + ... + 71484549452.

It is an arithmetic number, because the mean of its divisors is an integer number (10007836824300).

Almost surely, 2101222121022212 is an apocalyptic number.

101222121022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101222121022212 is an abundant number, since it is smaller than the sum of its proper divisors (138965962760988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101222121022212 is a wasteful number, since it uses less digits than its factorization.

101222121022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142969097555 (or 142969097553 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 101222121022212 its reverse (212220121222101), we get a palindrome (313442242244313).

The spelling of 101222121022212 in words is "one hundred one trillion, two hundred twenty-two billion, one hundred twenty-one million, twenty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 142969097489 285938194978 428907292467 571876389956 857814584934 1715629169868 8435176751851 16870353503702 25305530255553 33740707007404 50611060511106 101222121022212