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121110120211213 = 771243682334429
BaseRepresentation
bin11011100010011000100101…
…101100011010001100001101
3120212211000101111210210120201
4123202120211230122030031
5111333232011233224323
61105325115433413501
734336626452244520
oct3342304554321415
9525730344723521
10121110120211213
1135653571585721
12116bbb5226a291
135276834a914b3
1421c9a9262cbb7
15e0054380c8ad
hex6e2625b1a30d

121110120211213 has 8 divisors (see below), whose sum is σ = 140361024631680. Its totient is φ = 102346580459760.

The previous prime is 121110120211193. The next prime is 121110120211259. The reversal of 121110120211213 is 312112021011121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121110120211213 - 233 = 121101530276621 is a prime.

It is a super-3 number, since 3×1211101202112133 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110121211213) 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, 121841166718 + ... + 121841167711.

It is an arithmetic number, because the mean of its divisors is an integer number (17545128078960).

Almost surely, 2121110120211213 is an apocalyptic number.

It is an amenable number.

121110120211213 is a deficient number, since it is larger than the sum of its proper divisors (19250904420467).

121110120211213 is an equidigital number, since it uses as much as digits as its factorization.

121110120211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243682334507.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 121110120211213 its reverse (312112021011121), we get a palindrome (433222141222334).

The spelling of 121110120211213 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred twenty million, two hundred eleven thousand, two hundred thirteen".

Divisors: 1 7 71 497 243682334429 1705776341003 17301445744459 121110120211213