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212021110102222 = 2312133966855191
BaseRepresentation
bin110000001101010100000010…
…111100111101100011001110
31000210201000112201002110120201
4300031110002330331203032
5210242223213141232342
62030533053042204114
762442006521253541
oct6015240274754316
91023630481073521
10212021110102222
1161613714301423
121b94314095363a
13913c6743332c5
143a4dc3b0d6858
15197a250409db7
hexc0d502f3d8ce

212021110102222 has 8 divisors (see below), whose sum is σ = 318133565728272. Its totient is φ = 105976588192800.

The previous prime is 212021110102183. The next prime is 212021110102237. The reversal of 212021110102222 is 222201011120212.

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

It is a super-2 number, since 2×2120211101022222 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212021110102222.

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 3 ways as a sum of consecutive naturals, for example, 16983421354 + ... + 16983433837.

It is an arithmetic number, because the mean of its divisors is an integer number (39766695716034).

Almost surely, 2212021110102222 is an apocalyptic number.

212021110102222 is a deficient number, since it is larger than the sum of its proper divisors (106112455626050).

212021110102222 is a wasteful number, since it uses less digits than its factorization.

212021110102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33966858314.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212021110102222 its reverse (222201011120212), we get a palindrome (434222121222434).

The spelling of 212021110102222 in words is "two hundred twelve trillion, twenty-one billion, one hundred ten million, one hundred two thousand, two hundred twenty-two".

Divisors: 1 2 3121 6242 33966855191 67933710382 106010555051111 212021110102222