222121001210110 has 16 divisors (see below), whose sum is σ = 399818399663232. Its totient is φ = 88848267709600.

The previous prime is 222121001210107. The next prime is 222121001210117. The reversal of 222121001210110 is 11012100121222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121001210117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9422881 + ... + 23087500.

It is an arithmetic number, because the mean of its divisors is an integer number (24988649978952).

Almost surely, 2^{222121001210110} is an apocalyptic number.

222121001210110 is a deficient number, since it is larger than the sum of its proper divisors (177697398453122).

222121001210110 is a wasteful number, since it uses less digits than its factorization.

222121001210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33193619.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222121001210110 its reverse (11012100121222), we get a palindrome (233133101331332).

The spelling of 222121001210110 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one million, two hundred ten thousand, one hundred ten".