22221121120022 has 32 divisors (see below), whose sum is σ = 38611719446400. Its totient is φ = 9478966065280.

The previous prime is 22221121119959. The next prime is 22221121120091. The reversal of 22221121120022 is 22002112112222.

It is a junction number, because it is equal to n+sod(n) for n = 22221121119976 and 22221121120003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85482272 + ... + 85741827.

It is an arithmetic number, because the mean of its divisors is an integer number (1206616232700).

Almost surely, 2^{22221121120022} is an apocalyptic number.

22221121120022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221121120022 is a deficient number, since it is larger than the sum of its proper divisors (16390598326378).

22221121120022 is a wasteful number, since it uses less digits than its factorization.

22221121120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171224476.

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

Adding to 22221121120022 its reverse (22002112112222), we get a palindrome (44223233232244).

The spelling of 22221121120022 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, twenty-two".