111021000210212 has 12 divisors (see below), whose sum is σ = 196006102141836. Its totient is φ = 55019256741120.

The previous prime is 111021000210209. The next prime is 111021000210259. The reversal of 111021000210212 is 212012000120111.

It can be written as a sum of positive squares in 2 ways, for example, as 7710973674496 + 103310026535716 = 2776864^2 + 10164154^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122810840489 + ... + 122810841392.

It is an arithmetic number, because the mean of its divisors is an integer number (16333841845153).

Almost surely, 2^{111021000210212} is an apocalyptic number.

It is an amenable number.

111021000210212 is a deficient number, since it is larger than the sum of its proper divisors (84985101931624).

111021000210212 is a wasteful number, since it uses less digits than its factorization.

111021000210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245621681998 (or 245621681996 counting only the distinct ones).

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

Adding to 111021000210212 its reverse (212012000120111), we get a palindrome (323033000330323).

The spelling of 111021000210212 in words is "one hundred eleven trillion, twenty-one billion, two hundred ten thousand, two hundred twelve".