221122110022022 has 16 divisors (see below), whose sum is σ = 361988404008912. Its totient is φ = 100467765573120.

The previous prime is 221122110021959. The next prime is 221122110022031. The reversal of 221122110022022 is 220220011221122.

It is a junction number, because it is equal to n+sod(n) for n = 221122110021985 and 221122110022003.

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, 2114168363 + ... + 2114272950.

It is an arithmetic number, because the mean of its divisors is an integer number (22624275250557).

Almost surely, 2^{221122110022022} is an apocalyptic number.

221122110022022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221122110022022 is a deficient number, since it is larger than the sum of its proper divisors (140866293986890).

221122110022022 is a wasteful number, since it uses less digits than its factorization.

221122110022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228443703.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 221122110022022 its reverse (220220011221122), we get a palindrome (441342121243144).

The spelling of 221122110022022 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, one hundred ten million, twenty-two thousand, twenty-two".