2121323111030 has 32 divisors (see below), whose sum is σ = 4023081713664. Its totient is φ = 803756691936.

The previous prime is 2121323111023. The next prime is 2121323111051. The reversal of 2121323111030 is 301113231212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121323110993 and 2121323111011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44748854 + ... + 44796233.

It is an arithmetic number, because the mean of its divisors is an integer number (125721303552).

Almost surely, 2^{2121323111030} is an apocalyptic number.

2121323111030 is a deficient number, since it is larger than the sum of its proper divisors (1901758602634).

2121323111030 is a wasteful number, since it uses less digits than its factorization.

2121323111030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89545220.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2121323111030 its reverse (301113231212), we get a palindrome (2422436342242).

The spelling of 2121323111030 in words is "two trillion, one hundred twenty-one billion, three hundred twenty-three million, one hundred eleven thousand, thirty".