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121123212102113 = 1319172296747959
BaseRepresentation
bin11011100010100100110010…
…000010000000100111100001
3120212212021011220111202122212
4123202210302002000213201
5111333440314244231423
61105335122510211505
734340602052421614
oct3342446202004741
9525767156452585
10121123212102113
113565907a613071
12117025a67b3b95
135277b401c79c0
1421ca57527817b
15e00a5cd61578
hex6e29320809e1

121123212102113 has 16 divisors (see below), whose sum is σ = 131141474150400. Its totient is φ = 111205268166720.

The previous prime is 121123212102041. The next prime is 121123212102199. The reversal of 121123212102113 is 311201212321121.

It is not a de Polignac number, because 121123212102113 - 246 = 50754467924449 is a prime.

It is a super-3 number, since 3×1211232121021133 (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121123212102313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14575628 + ... + 21323586.

It is an arithmetic number, because the mean of its divisors is an integer number (8196342134400).

Almost surely, 2121123212102113 is an apocalyptic number.

121123212102113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121123212102113 is a deficient number, since it is larger than the sum of its proper divisors (10018262048287).

121123212102113 is a wasteful number, since it uses less digits than its factorization.

121123212102113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6755392.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 121123212102113 its reverse (311201212321121), we get a palindrome (432324424423234).

The spelling of 121123212102113 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, two hundred twelve million, one hundred two thousand, one hundred thirteen".

Divisors: 1 13 191 2483 7229 93977 1380739 6747959 17949607 87723467 1288860169 16755182197 48780995611 634152942943 9317170161701 121123212102113