212121000211010 has 32 divisors (see below), whose sum is σ = 417070159228800. Its totient is φ = 77034603663360.

The previous prime is 212121000210991. The next prime is 212121000211013. The reversal of 212121000211010 is 10112000121212.

It is a super-3 number, since 3×212121000211010³ (a number of 44 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (212121000211013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1253733830 + ... + 1253903009.

It is an arithmetic number, because the mean of its divisors is an integer number (13033442475900).

Almost surely, 2^{212121000211010} is an apocalyptic number.

212121000211010 is a deficient number, since it is larger than the sum of its proper divisors (204949159017790).

212121000211010 is a wasteful number, since it uses less digits than its factorization.

212121000211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507637626.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212121000211010 its reverse (10112000121212), we get a palindrome (222233000332222).

The spelling of 212121000211010 in words is "two hundred twelve trillion, one hundred twenty-one billion, two hundred eleven thousand, ten".