2131112422201 has 12 divisors (see below), whose sum is σ = 2539513759860. Its totient is φ = 1782114915840.

The previous prime is 2131112422139. The next prime is 2131112422207. The reversal of 2131112422201 is 1022242111312.

It can be written as a sum of positive squares in 2 ways, for example, as 827233906576 + 1303878515625 = 909524^2 + 1141875^2 .

It is not a de Polignac number, because 2131112422201 - 2¹³ = 2131112414009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131112422207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530389336 + ... + 530393353.

It is an arithmetic number, because the mean of its divisors is an integer number (211626146655).

Almost surely, 2^{2131112422201} is an apocalyptic number.

It is an amenable number.

2131112422201 is a deficient number, since it is larger than the sum of its proper divisors (408401337659).

2131112422201 is a wasteful number, since it uses less digits than its factorization.

2131112422201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060782744 (or 1060782737 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 2131112422201 its reverse (1022242111312), we get a palindrome (3153354533513).

The spelling of 2131112422201 in words is "two trillion, one hundred thirty-one billion, one hundred twelve million, four hundred twenty-two thousand, two hundred one".