253121220354201 has 16 divisors (see below), whose sum is σ = 342609889204800. Its totient is φ = 166191158377728.

The previous prime is 253121220354151. The next prime is 253121220354203. The reversal of 253121220354201 is 102453022121352.

It is not a de Polignac number, because 253121220354201 - 2⁴³ = 244325127331993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253121220354203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141925036 + ... + 143697453.

It is an arithmetic number, because the mean of its divisors is an integer number (21413118075300).

Almost surely, 2^{253121220354201} is an apocalyptic number.

It is an amenable number.

253121220354201 is a deficient number, since it is larger than the sum of its proper divisors (89488668850599).

253121220354201 is a wasteful number, since it uses less digits than its factorization.

253121220354201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285626968.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 253121220354201 its reverse (102453022121352), we get a palindrome (355574242475553).

The spelling of 253121220354201 in words is "two hundred fifty-three trillion, one hundred twenty-one billion, two hundred twenty million, three hundred fifty-four thousand, two hundred one".