221210021211110 has 8 divisors (see below), whose sum is σ = 398178038180016. Its totient is φ = 88484008484440.

The previous prime is 221210021211037. The next prime is 221210021211169. The reversal of 221210021211110 is 11112120012122.

221210021211110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×221210021211110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 11060501060546 + ... + 11060501060565.

It is an arithmetic number, because the mean of its divisors is an integer number (49772254772502).

Almost surely, 2^{221210021211110} is an apocalyptic number.

221210021211110 is a deficient number, since it is larger than the sum of its proper divisors (176968016968906).

221210021211110 is a wasteful number, since it uses less digits than its factorization.

221210021211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22121002121118.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 221210021211110 its reverse (11112120012122), we get a palindrome (232322141223232).

The spelling of 221210021211110 in words is "two hundred twenty-one trillion, two hundred ten billion, twenty-one million, two hundred eleven thousand, one hundred ten".