2122121010 has 16 divisors (see below), whose sum is σ = 5093090496. Its totient is φ = 565898928.

The previous prime is 2122121003. The next prime is 2122121041. The reversal of 2122121010 is 101212212.

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, 35368654 + ... + 35368713.

It is an arithmetic number, because the mean of its divisors is an integer number (318318156).

Almost surely, 2^2122121010 is an apocalyptic number.

2122121010 is an abundant number, since it is smaller than the sum of its proper divisors (2970969486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122121010 is a wasteful number, since it uses less digits than its factorization.

2122121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70737377.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2122121010 is about 46066.4846716135. The cubic root of 2122121010 is about 1285.0599294775.

Adding to 2122121010 its reverse (101212212), we get a palindrome (2223333222).

The spelling of 2122121010 in words is "two billion, one hundred twenty-two million, one hundred twenty-one thousand, ten".