Search a number
-
+
121100102012102 = 2538128114055607
BaseRepresentation
bin11011100010001111010000…
…100100000000110011000110
3120212210001112022210112222012
4123202033100210000303012
5111333101002103341402
61105320341400534222
734336123264044113
oct3342172044006306
9525701468715865
10121100102012102
113564a2a0570424
12116ba017181372
1352758c93a1525
1421c93c1ccd90a
15e00159057452
hex6e23d0900cc6

121100102012102 has 16 divisors (see below), whose sum is σ = 185079804571872. Its totient is φ = 59406862095360.

The previous prime is 121100102012101. The next prime is 121100102012287. The reversal of 121100102012102 is 201210201001121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100102012101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587983 + ... + 15643589.

It is an arithmetic number, because the mean of its divisors is an integer number (11567487785742).

Almost surely, 2121100102012102 is an apocalyptic number.

121100102012102 is a deficient number, since it is larger than the sum of its proper divisors (63979702559770).

121100102012102 is a wasteful number, since it uses less digits than its factorization.

121100102012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14136943.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121100102012102 its reverse (201210201001121), we get a palindrome (322310303013223).

The spelling of 121100102012102 in words is "one hundred twenty-one trillion, one hundred billion, one hundred two million, twelve thousand, one hundred two".

Divisors: 1 2 53 106 81281 162562 4307893 8615786 14055607 28111214 744947171 1489894342 1142453792567 2284907585134 60550051006051 121100102012102