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121033131222 = 2375726647541
BaseRepresentation
bin111000010111000100…
…0110000010011010110
3102120102000012010002210
41300232020300103112
53440333440144342
6131334000014250
711513212432533
oct1605610602326
9376360163083
10121033131222
114736a057983
121b559901386
13b54b254813
145c02639d8a
153235a2d79c
hex1c2e2304d6

121033131222 has 16 divisors (see below), whose sum is σ = 242386042032. Its totient is φ = 40291080480.

The previous prime is 121033131209. The next prime is 121033131259. The reversal of 121033131222 is 222131330121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13319229 + ... + 13328312.

It is an arithmetic number, because the mean of its divisors is an integer number (15149127627).

Almost surely, 2121033131222 is an apocalyptic number.

121033131222 is an abundant number, since it is smaller than the sum of its proper divisors (121352910810).

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

121033131222 is a wasteful number, since it uses less digits than its factorization.

121033131222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26648303.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121033131222 its reverse (222131330121), we get a palindrome (343164461343).

The spelling of 121033131222 in words is "one hundred twenty-one billion, thirty-three million, one hundred thirty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 757 1514 2271 4542 26647541 53295082 79942623 159885246 20172188537 40344377074 60516565611 121033131222