Search a number
-
+
2121022233222 = 2312011543190759
BaseRepresentation
bin11110110111010110110…
…001101101101010000110
321111202201200112021211020
4132313112301231222012
5234222323142430342
64302214551252010
7306144623341164
oct36672661555206
97452650467736
102121022233222
1174857a834952
122a309a07a006
1312501c471669
147492d890234
153a28caa70ec
hex1edd6c6da86

2121022233222 has 32 divisors (see below), whose sum is σ = 4248350338560. Its totient is φ = 705957206400.

The previous prime is 2121022233199. The next prime is 2121022233247. The reversal of 2121022233222 is 2223322201212.

It is a junction number, because it is equal to n+sod(n) for n = 2121022233192 and 2121022233201.

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, 11023479 + ... + 11214237.

It is an arithmetic number, because the mean of its divisors is an integer number (132760948080).

Almost surely, 22121022233222 is an apocalyptic number.

2121022233222 is an abundant number, since it is smaller than the sum of its proper divisors (2127328105338).

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

2121022233222 is a wasteful number, since it uses less digits than its factorization.

2121022233222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193508.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2121022233222 its reverse (2223322201212), we get a palindrome (4344344434434).

The spelling of 2121022233222 in words is "two trillion, one hundred twenty-one billion, twenty-two million, two hundred thirty-three thousand, two hundred twenty-two".

Divisors: 1 2 3 6 1201 1543 2402 3086 3603 4629 7206 9258 190759 381518 572277 1144554 1853143 3706286 5559429 11118858 229101559 294341137 458203118 588682274 687304677 883023411 1374609354 1766046822 353503705537 707007411074 1060511116611 2121022233222