2123051255201 has 8 divisors (see below), whose sum is σ = 2253715387560. Its totient is φ = 1993029207808.

The previous prime is 2123051255197. The next prime is 2123051255219. The reversal of 2123051255201 is 1025521503212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 368419864576 + 1754631390625 = 606976^2 + 1324625^2 .

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

It is not a de Polignac number, because 2123051255201 - 2² = 2123051255197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123051254201) 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, 160514426 + ... + 160527651.

It is an arithmetic number, because the mean of its divisors is an integer number (281714423445).

Almost surely, 2^{2123051255201} is an apocalyptic number.

It is an amenable number.

2123051255201 is a deficient number, since it is larger than the sum of its proper divisors (130664132359).

2123051255201 is a wasteful number, since it uses less digits than its factorization.

2123051255201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321042483.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 2123051255201 its reverse (1025521503212), we get a palindrome (3148572758413).

The spelling of 2123051255201 in words is "two trillion, one hundred twenty-three billion, fifty-one million, two hundred fifty-five thousand, two hundred one".