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BaseRepresentation
bin11011100000110010000010…
…101011100011111001010101
3120212102111011211010102111020
4123200302002223203321111
5111324431010321321323
61105202345425431353
734325651034356511
oct3340620253437125
9525374154112436
10121000011120213
11356108a88a4965
12116a2742a9b559
135269337ab9c04
1421c4608b6d141
15dec74bd66ae3
hex6e0c82ae3e55

121000011120213 has 4 divisors (see below), whose sum is σ = 161333348160288. Its totient is φ = 80666674080140.

The previous prime is 121000011120161. The next prime is 121000011120223. The reversal of 121000011120213 is 312021110000121.

Adding to 121000011120213 its reverse (312021110000121), we get a palindrome (433021121120334).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121000011120213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121000011120192 and 121000011120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000011120223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20166668520033 + ... + 20166668520038.

It is an arithmetic number, because the mean of its divisors is an integer number (40333337040072).

Almost surely, 2121000011120213 is an apocalyptic number.

It is an amenable number.

121000011120213 is a deficient number, since it is larger than the sum of its proper divisors (40333337040075).

121000011120213 is an equidigital number, since it uses as much as digits as its factorization.

121000011120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40333337040074.

The product of its (nonzero) digits is 24, while the sum is 15.

The spelling of 121000011120213 in words is "one hundred twenty-one trillion, eleven million, one hundred twenty thousand, two hundred thirteen".

Divisors: 1 3 40333337040071 121000011120213