212222021021110 has 32 divisors (see below), whose sum is σ = 389210156682912. Its totient is φ = 83286495402240.

The previous prime is 212222021021107. The next prime is 212222021021113. The reversal of 212222021021110 is 11120120222212.

It is an interprime number because it is at equal distance from previous prime (212222021021107) and next prime (212222021021113).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222021021113) 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, 71028045 + ... + 73955575.

It is an arithmetic number, because the mean of its divisors is an integer number (12162817396341).

Almost surely, 2^{212222021021110} is an apocalyptic number.

212222021021110 is a deficient number, since it is larger than the sum of its proper divisors (176988135661802).

212222021021110 is a wasteful number, since it uses less digits than its factorization.

212222021021110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064368.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212222021021110 its reverse (11120120222212), we get a palindrome (223342141243322).

The spelling of 212222021021110 in words is "two hundred twelve trillion, two hundred twenty-two billion, twenty-one million, twenty-one thousand, one hundred ten".