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121010002211101 = 190316358572971
BaseRepresentation
bin11011100000111011010110…
…001100100011000100011101
3120212110102222010010102121111
4123200323112030203010131
5111330111441031223401
61105211121053302021
734326453443264413
oct3340732614430435
9525412863112544
10121010002211101
1135615065584373
12116a4670a94911
13526a26a9a8203
1421c4cb5a532b3
15decb34064e51
hex6e0ed632311d

121010002211101 has 4 divisors (see below), whose sum is σ = 121016360803104. Its totient is φ = 121003643619100.

The previous prime is 121010002211081. The next prime is 121010002211107. The reversal of 121010002211101 is 101112200010121.

It is a happy number.

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 not a de Polignac number, because 121010002211101 - 25 = 121010002211069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010002211107) 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, 3179267455 + ... + 3179305516.

It is an arithmetic number, because the mean of its divisors is an integer number (30254090200776).

Almost surely, 2121010002211101 is an apocalyptic number.

It is an amenable number.

121010002211101 is a deficient number, since it is larger than the sum of its proper divisors (6358592003).

121010002211101 is an equidigital number, since it uses as much as digits as its factorization.

121010002211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6358592002.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121010002211101 its reverse (101112200010121), we get a palindrome (222122202221222).

The spelling of 121010002211101 in words is "one hundred twenty-one trillion, ten billion, two million, two hundred eleven thousand, one hundred one".

Divisors: 1 19031 6358572971 121010002211101