2121106070 has 16 divisors (see below), whose sum is σ = 3833837568. Its totient is φ = 844920960.

The previous prime is 2121106063. The next prime is 2121106079. The reversal of 2121106070 is 706011212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121106079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437654 + ... + 442473.

It is an arithmetic number, because the mean of its divisors is an integer number (239614848).

Almost surely, 2^2121106070 is an apocalyptic number.

2121106070 is a deficient number, since it is larger than the sum of its proper divisors (1712731498).

2121106070 is a wasteful number, since it uses less digits than its factorization.

2121106070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880375.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 2121106070 is about 46055.4673193097. The cubic root of 2121106070 is about 1284.8550296466.

Adding to 2121106070 its reverse (706011212), we get a palindrome (2827117282).

The spelling of 2121106070 in words is "two billion, one hundred twenty-one million, one hundred six thousand, seventy".