2121031035 has 64 divisors (see below), whose sum is σ = 3820037760. Its totient is φ = 1116541440.

The previous prime is 2121030979. The next prime is 2121031049. The reversal of 2121031035 is 5301301212.

It is not a de Polignac number, because 2121031035 - 2¹³ = 2121022843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2121030999 and 2121031017.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4600705 + ... + 4601165.

It is an arithmetic number, because the mean of its divisors is an integer number (59688090).

Almost surely, 2^2121031035 is an apocalyptic number.

2121031035 is a deficient number, since it is larger than the sum of its proper divisors (1699006725).

2121031035 is a wasteful number, since it uses less digits than its factorization.

2121031035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2121031035 is about 46054.6526965517. The cubic root of 2121031035 is about 1284.8398787095.

Adding to 2121031035 its reverse (5301301212), we get a palindrome (7422332247).

The spelling of 2121031035 in words is "two billion, one hundred twenty-one million, thirty-one thousand, thirty-five".