1021310123122 has 8 divisors (see below), whose sum is σ = 1622080783836. Its totient is φ = 480616528512.

The previous prime is 1021310123101. The next prime is 1021310123161. The reversal of 1021310123122 is 2213210131201.

It can be written as a sum of positive squares in 2 ways, for example, as 825007073401 + 196303049721 = 908299^2 + 443061^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1021310123122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15019266483 + ... + 15019266550.

Almost surely, 2^{1021310123122} is an apocalyptic number.

1021310123122 is a deficient number, since it is larger than the sum of its proper divisors (600770660714).

1021310123122 is a wasteful number, since it uses less digits than its factorization.

1021310123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30038533052.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1021310123122 its reverse (2213210131201), we get a palindrome (3234520254323).

The spelling of 1021310123122 in words is "one trillion, twenty-one billion, three hundred ten million, one hundred twenty-three thousand, one hundred twenty-two".