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121131103222232 = 2315141387902779
BaseRepresentation
bin11011100010101100001000…
…011000001111100111011000
3120212220000112212001012102222
4123202230020120033213120
5111334102444411102412
61105342505520243212
734341301442013665
oct3342541030174730
9525800485035388
10121131103222232
1135661459984444
1211704029470508
1352787ca00854c
1421caac32bca6c
15e00d70a01072
hex6e2b0860f9d8

121131103222232 has 8 divisors (see below), whose sum is σ = 227120818541700. Its totient is φ = 60565551611112.

The previous prime is 121131103222219. The next prime is 121131103222247. The reversal of 121131103222232 is 232222301131121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1211311032222322 (a number of 29 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 as a sum of consecutive naturals, namely, 7570693951382 + ... + 7570693951397.

Almost surely, 2121131103222232 is an apocalyptic number.

It is an amenable number.

121131103222232 is a deficient number, since it is larger than the sum of its proper divisors (105989715319468).

121131103222232 is a wasteful number, since it uses less digits than its factorization.

121131103222232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15141387902785 (or 15141387902781 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 121131103222232 its reverse (232222301131121), we get a palindrome (353353404353353).

The spelling of 121131103222232 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, one hundred three million, two hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 15141387902779 30282775805558 60565551611116 121131103222232