2121212001010 has 16 divisors (see below), whose sum is σ = 4042780519896. Its totient is φ = 798573929728.

The previous prime is 2121212001001. The next prime is 2121212001031. The reversal of 2121212001010 is 101002121212.

It can be written as a sum of positive squares in 4 ways, for example, as 1767939870321 + 353272130689 = 1329639^2 + 594367^2 .

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, 6238858657 + ... + 6238858996.

Almost surely, 2^{2121212001010} is an apocalyptic number.

2121212001010 is a deficient number, since it is larger than the sum of its proper divisors (1921568518886).

2121212001010 is a wasteful number, since it uses less digits than its factorization.

2121212001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12477717677.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2121212001010 its reverse (101002121212), we get a palindrome (2222214122222).

The spelling of 2121212001010 in words is "two trillion, one hundred twenty-one billion, two hundred twelve million, one thousand, ten".