222101002120120 has 32 divisors (see below), whose sum is σ = 499895456739120. Its totient is φ = 88810498275840.

The previous prime is 222101002120007. The next prime is 222101002120121. The reversal of 222101002120120 is 21021200101222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222101002120094 and 222101002120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222101002120121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934335057 + ... + 934572736.

Almost surely, 2^{222101002120120} is an apocalyptic number.

222101002120120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222101002120120 is an abundant number, since it is smaller than the sum of its proper divisors (277794454619000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222101002120120 is a wasteful number, since it uses less digits than its factorization.

222101002120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868910775 (or 1868910771 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222101002120120 its reverse (21021200101222), we get a palindrome (243122202221342).

The spelling of 222101002120120 in words is "two hundred twenty-two trillion, one hundred one billion, two million, one hundred twenty thousand, one hundred twenty".