222122121210110 has 16 divisors (see below), whose sum is σ = 436167074376432. Its totient is φ = 80771680440000.

The previous prime is 222122121210061. The next prime is 222122121210137. The reversal of 222122121210110 is 11012121221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009646005391 + ... + 1009646005610.

It is an arithmetic number, because the mean of its divisors is an integer number (27260442148527).

Almost surely, 2^{222122121210110} is an apocalyptic number.

222122121210110 is a deficient number, since it is larger than the sum of its proper divisors (214044953166322).

222122121210110 is a wasteful number, since it uses less digits than its factorization.

222122121210110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019292011019.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 222122121210110 its reverse (11012121221222), we get a palindrome (233134242431332).

The spelling of 222122121210110 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred ten thousand, one hundred ten".