1431020122201 has 4 divisors (see below), whose sum is σ = 1431023337652. Its totient is φ = 1431016906752.

The previous prime is 1431020122193. The next prime is 1431020122223. The reversal of 1431020122201 is 1022210201341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12050770176 + 1418969352025 = 109776^2 + 1191205^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431020122201 - 2³ = 1431020122193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1431020122291) 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, 807336 + ... + 1874521.

It is an arithmetic number, because the mean of its divisors is an integer number (357755834413).

Almost surely, 2^{1431020122201} is an apocalyptic number.

It is an amenable number.

1431020122201 is a deficient number, since it is larger than the sum of its proper divisors (3215451).

1431020122201 is an equidigital number, since it uses as much as digits as its factorization.

1431020122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215450.

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

Adding to 1431020122201 its reverse (1022210201341), we get a palindrome (2453230323542).

The spelling of 1431020122201 in words is "one trillion, four hundred thirty-one billion, twenty million, one hundred twenty-two thousand, two hundred one".