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121200202101001 = 331664315511941
BaseRepresentation
bin11011100011101100011110…
…111111100011000100001001
3120220010121220110202221101011
4123203230132333203010021
5111341221003214213001
61105434334301123521
734346265664545022
oct3343543677430411
9526117813687334
10121200202101001
1135688798448821
12117154b25595a1
13528218c85606a
1421d019a365c49
15e02a66e62d51
hex6e3b1efe3109

121200202101001 has 8 divisors (see below), whose sum is σ = 121568217873408. Its totient is φ = 120832197486000.

The previous prime is 121200202100977. The next prime is 121200202101037. The reversal of 121200202101001 is 100101202002121.

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

It is a cyclic number.

It is not a de Polignac number, because 121200202101001 - 217 = 121200201969929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121200202101701) 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, 19232691 + ... + 24744631.

It is an arithmetic number, because the mean of its divisors is an integer number (15196027234176).

Almost surely, 2121200202101001 is an apocalyptic number.

It is an amenable number.

121200202101001 is a deficient number, since it is larger than the sum of its proper divisors (368015772407).

121200202101001 is an equidigital number, since it uses as much as digits as its factorization.

121200202101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578703.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121200202101001 its reverse (100101202002121), we get a palindrome (221301404103122).

The spelling of 121200202101001 in words is "one hundred twenty-one trillion, two hundred billion, two hundred two million, one hundred one thousand, one".

Divisors: 1 331 66431 5511941 21988661 1824452471 366163752571 121200202101001