220122121111002 has 36 divisors (see below), whose sum is σ = 524230230584970. Its totient is φ = 66703673063280.

The previous prime is 220122121110989. The next prime is 220122121111073. The reversal of 220122121111002 is 200111121221022.

220122121111002 is a `hidden beast` number, since 220 + 1 + 221 + 211 + 1 + 10 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 144531633781161 + 75590487329841 = 12022131^2 + 8694279^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 50533083477 + ... + 50533087832.

Almost surely, 2^{220122121111002} is an apocalyptic number.

220122121111002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220122121111002 is an abundant number, since it is smaller than the sum of its proper divisors (304108109473968).

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

220122121111002 is a wasteful number, since it uses less digits than its factorization.

220122121111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101066171339 (or 101066171325 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 220122121111002 its reverse (200111121221022), we get a palindrome (420233242332024).

The spelling of 220122121111002 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred eleven thousand, two".