2121302022130 has 32 divisors (see below), whose sum is σ = 4098335018544. Its totient is φ = 787667982336.

The previous prime is 2121302022121. The next prime is 2121302022157. The reversal of 2121302022130 is 312202031212.

It can be written as a sum of positive squares in 8 ways, for example, as 1654467360121 + 466834662009 = 1286261^2 + 683253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2121302022098 and 2121302022107.

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, 85455037 + ... + 85479856.

Almost surely, 2^{2121302022130} is an apocalyptic number.

2121302022130 is a deficient number, since it is larger than the sum of its proper divisors (1977032996414).

2121302022130 is a wasteful number, since it uses less digits than its factorization.

2121302022130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170934990.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2121302022130 its reverse (312202031212), we get a palindrome (2433504053342).

The spelling of 2121302022130 in words is "two trillion, one hundred twenty-one billion, three hundred two million, twenty-two thousand, one hundred thirty".