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121100231030 = 25199712135417
BaseRepresentation
bin111000011001000100…
…0101110000101110110
3102120120200110010201212
41300302020232011312
53441003124343110
6131344354121422
711514655660022
oct1606210560566
9376520403655
10121100231030
11473a3a17a69
121b578280272
13b55c11924c
145c0b505382
15323b884e05
hex1c3222e176

121100231030 has 64 divisors (see below), whose sum is σ = 232052506560. Its totient is φ = 45371695104.

The previous prime is 121100231023. The next prime is 121100231039. The reversal of 121100231030 is 30132001121.

It is a junction number, because it is equal to n+sod(n) for n = 121100230996 and 121100231014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100231039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22352882 + ... + 22358298.

It is an arithmetic number, because the mean of its divisors is an integer number (3625820415).

Almost surely, 2121100231030 is an apocalyptic number.

121100231030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121100231030 is a deficient number, since it is larger than the sum of its proper divisors (110952275530).

121100231030 is a wasteful number, since it uses less digits than its factorization.

121100231030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6753.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121100231030 its reverse (30132001121), we get a palindrome (151232232151).

The spelling of 121100231030 in words is "one hundred twenty-one billion, one hundred million, two hundred thirty-one thousand, thirty".

Divisors: 1 2 5 10 19 38 95 97 190 194 485 970 1213 1843 2426 3686 5417 6065 9215 10834 12130 18430 23047 27085 46094 54170 102923 115235 117661 205846 230470 235322 514615 525449 588305 1029230 1050898 1176610 2235559 2627245 4471118 5254490 6570821 9983531 11177795 13141642 19967062 22355590 32854105 49917655 65708210 99835310 124845599 249691198 624227995 637369637 1248455990 1274739274 3186848185 6373696370 12110023103 24220046206 60550115515 121100231030