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121201202322001 = 682071776961343
BaseRepresentation
bin11011100011101101011010…
…100111000101101001010001
3120220010201111011212102122101
4123203231122213011221101
5111341230030243301001
61105435021431240401
734346332531356154
oct3343553247055121
9526121434772571
10121201202322001
113568916100264a
1211715731519101
1352822bbb3c9c9
1421d025312dc9b
15e02ac4b89a01
hex6e3b5a9c5a51

121201202322001 has 4 divisors (see below), whose sum is σ = 121202979351552. Its totient is φ = 121199425292452.

The previous prime is 121201202321989. The next prime is 121201202322041. The reversal of 121201202322001 is 100223202102121.

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 121201202322001 - 213 = 121201202313809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121201202322001.

It is not an unprimeable number, because it can be changed into a prime (121201202322041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888412465 + ... + 888548878.

It is an arithmetic number, because the mean of its divisors is an integer number (30300744837888).

Almost surely, 2121201202322001 is an apocalyptic number.

It is an amenable number.

121201202322001 is a deficient number, since it is larger than the sum of its proper divisors (1777029551).

121201202322001 is an equidigital number, since it uses as much as digits as its factorization.

121201202322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777029550.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121201202322001 its reverse (100223202102121), we get a palindrome (221424404424122).

The spelling of 121201202322001 in words is "one hundred twenty-one trillion, two hundred one billion, two hundred two million, three hundred twenty-two thousand, one".

Divisors: 1 68207 1776961343 121201202322001