220011221122002 has 48 divisors (see below), whose sum is σ = 497418174227520. Its totient is φ = 70148293692576.

The previous prime is 220011221121959. The next prime is 220011221122019. The reversal of 220011221122002 is 200221122110022.

It is a happy number.

220011221122002 is a `hidden beast` number, since 220 + 0 + 1 + 1 + 221 + 1 + 220 + 0 + 2 = 666.

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 23 ways as a sum of consecutive naturals, for example, 193345753 + ... + 194480339.

It is an arithmetic number, because the mean of its divisors is an integer number (10362878629740).

Almost surely, 2^{220011221122002} is an apocalyptic number.

220011221122002 is an abundant number, since it is smaller than the sum of its proper divisors (277406953105518).

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

220011221122002 is a wasteful number, since it uses less digits than its factorization.

220011221122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603007 (or 1603004 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 220011221122002 its reverse (200221122110022), we get a palindrome (420232343232024).

The spelling of 220011221122002 in words is "two hundred twenty trillion, eleven billion, two hundred twenty-one million, one hundred twenty-two thousand, two".