Search a number
-
+
211222101102 = 23179643305861
BaseRepresentation
bin1100010010110111010…
…0010111110001101110
3202012012102122111011120
43010231310113301232
511430040324213402
6241011210401410
721155165143635
oct3045564276156
9665172574146
10211222101102
1181640407921
1234b29a30266
1316bc226b69c
14a31a68851c
1557637863bc
hex312dd17c6e

211222101102 has 32 divisors (see below), whose sum is σ = 425466276480. Its totient is φ = 69904914720.

The previous prime is 211222101059. The next prime is 211222101113. The reversal of 211222101102 is 201101222112.

It is a super-2 number, since 2×2112221011022 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537652 + ... + 843512.

It is an arithmetic number, because the mean of its divisors is an integer number (13295821140).

Almost surely, 2211222101102 is an apocalyptic number.

211222101102 is an abundant number, since it is smaller than the sum of its proper divisors (214244175378).

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

211222101102 is a wasteful number, since it uses less digits than its factorization.

211222101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306688.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211222101102 its reverse (201101222112), we get a palindrome (412323323214).

The spelling of 211222101102 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred one thousand, one hundred two".

Divisors: 1 2 3 6 179 358 537 643 1074 1286 1929 3858 115097 230194 305861 345291 611722 690582 917583 1835166 54749119 109498238 164247357 196668623 328494714 393337246 590005869 1180011738 35203683517 70407367034 105611050551 211222101102