1321123001102 has 16 divisors (see below), whose sum is σ = 2037242569824. Its totient is φ = 642156816000.

The previous prime is 1321123000993. The next prime is 1321123001129. The reversal of 1321123001102 is 2011003211231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28644674 + ... + 28690757.

It is an arithmetic number, because the mean of its divisors is an integer number (127327660614).

Almost surely, 2^{1321123001102} is an apocalyptic number.

1321123001102 is a deficient number, since it is larger than the sum of its proper divisors (716119568722).

1321123001102 is a wasteful number, since it uses less digits than its factorization.

1321123001102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57335755.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1321123001102 its reverse (2011003211231), we get a palindrome (3332126212333).

The spelling of 1321123001102 in words is "one trillion, three hundred twenty-one billion, one hundred twenty-three million, one thousand, one hundred two".