110202022221 has 16 divisors (see below), whose sum is σ = 151168899264. Its totient is φ = 71358465024.

The previous prime is 110202022211. The next prime is 110202022223. The reversal of 110202022221 is 122220202011.

It is not a de Polignac number, because 110202022221 - 2¹⁸ = 110201760077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110202022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110202022223) 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, 796275 + ... + 924368.

It is an arithmetic number, because the mean of its divisors is an integer number (9448056204).

Almost surely, 2^110202022221 is an apocalyptic number.

It is an amenable number.

110202022221 is a deficient number, since it is larger than the sum of its proper divisors (40966877043).

110202022221 is a wasteful number, since it uses less digits than its factorization.

110202022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721260.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 110202022221 its reverse (122220202011), we get a palindrome (232422224232).

The spelling of 110202022221 in words is "one hundred ten billion, two hundred two million, twenty-two thousand, two hundred twenty-one".