212111301121010 has 32 divisors (see below), whose sum is σ = 389969424794880. Its totient is φ = 83029591602432.

The previous prime is 212111301121009. The next prime is 212111301121061. The reversal of 212111301121010 is 10121103111212.

It is a self number, because there is not a number n which added to its sum of digits gives 212111301121010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22412519 + ... + 30439178.

It is an arithmetic number, because the mean of its divisors is an integer number (12186544524840).

Almost surely, 2^{212111301121010} is an apocalyptic number.

212111301121010 is a deficient number, since it is larger than the sum of its proper divisors (177858123673870).

212111301121010 is a wasteful number, since it uses less digits than its factorization.

212111301121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52860290.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 212111301121010 its reverse (10121103111212), we get a palindrome (222232404232222).

The spelling of 212111301121010 in words is "two hundred twelve trillion, one hundred eleven billion, three hundred one million, one hundred twenty-one thousand, ten".