2131203121222 has 8 divisors (see below), whose sum is σ = 3653491064976. Its totient is φ = 913372766232.

The previous prime is 2131203121219. The next prime is 2131203121231. The reversal of 2131203121222 is 2221213021312.

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

It is a junction number, because it is equal to n+sod(n) for n = 2131203121193 and 2131203121202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76114397173 + ... + 76114397200.

It is an arithmetic number, because the mean of its divisors is an integer number (456686383122).

Almost surely, 2^{2131203121222} is an apocalyptic number.

2131203121222 is a deficient number, since it is larger than the sum of its proper divisors (1522287943754).

2131203121222 is a wasteful number, since it uses less digits than its factorization.

2131203121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152228794382.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2131203121222 its reverse (2221213021312), we get a palindrome (4352416142534).

The spelling of 2131203121222 in words is "two trillion, one hundred thirty-one billion, two hundred three million, one hundred twenty-one thousand, two hundred twenty-two".