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121113202102 = 21719187481737
BaseRepresentation
bin111000011001011101…
…0001100110110110110
3102120121120212010200221
41300302322030312312
53441014434431402
6131345540124554
711515204142404
oct1606272146666
9376546763627
10121113202102
1147400277362
121b58069675a
13b561a0b239
145c0d120474
15323ca98337
hex1c32e8cdb6

121113202102 has 16 divisors (see below), whose sum is σ = 202480277040. Its totient is φ = 53994739968.

The previous prime is 121113202061. The next prime is 121113202103. The reversal of 121113202102 is 201202311121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121113202103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93740223 + ... + 93741514.

It is an arithmetic number, because the mean of its divisors is an integer number (12655017315).

Almost surely, 2121113202102 is an apocalyptic number.

121113202102 is a deficient number, since it is larger than the sum of its proper divisors (81367074938).

121113202102 is a wasteful number, since it uses less digits than its factorization.

121113202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187481775.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121113202102 its reverse (201202311121), we get a palindrome (322315513223).

The spelling of 121113202102 in words is "one hundred twenty-one billion, one hundred thirteen million, two hundred two thousand, one hundred two".

Divisors: 1 2 17 19 34 38 323 646 187481737 374963474 3187189529 3562153003 6374379058 7124306006 60556601051 121113202102