222002111102120 has 16 divisors (see below), whose sum is σ = 499504749979860. Its totient is φ = 88800844440832.

The previous prime is 222002111102111. The next prime is 222002111102129. The reversal of 222002111102120 is 21201111200222.

It is an interprime number because it is at equal distance from previous prime (222002111102111) and next prime (222002111102129).

It can be written as a sum of positive squares in 2 ways, for example, as 218786638107844 + 3215472994276 = 14791438^2 + 1793174^2 .

It is a super-2 number, since 2×222002111102120² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222002111102129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2775026388737 + ... + 2775026388816.

Almost surely, 2^{222002111102120} is an apocalyptic number.

222002111102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222002111102120 is an abundant number, since it is smaller than the sum of its proper divisors (277502638877740).

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

222002111102120 is a wasteful number, since it uses less digits than its factorization.

222002111102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550052777564 (or 5550052777560 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222002111102120 its reverse (21201111200222), we get a palindrome (243203222302342).

The spelling of 222002111102120 in words is "two hundred twenty-two trillion, two billion, one hundred eleven million, one hundred two thousand, one hundred twenty".