220111022021202 has 24 divisors (see below), whose sum is σ = 513592384716684. Its totient is φ = 67726468314144.

The previous prime is 220111022021183. The next prime is 220111022021203. The reversal of 220111022021202 is 202120220111022.

It is a happy number.

220111022021202 is a `hidden beast` number, since 220 + 1 + 1 + 1 + 0 + 220 + 21 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 161647855674561 + 58463166346641 = 12714081^2 + 7646121^2 .

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

It is not an unprimeable number, because it can be changed into a prime (220111022021203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 470322696393 + ... + 470322696860.

Almost surely, 2^{220111022021202} is an apocalyptic number.

220111022021202 is an abundant number, since it is smaller than the sum of its proper divisors (293481362695482).

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

220111022021202 is a wasteful number, since it uses less digits than its factorization.

220111022021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940645393274 (or 940645393271 counting only the distinct ones).

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

Adding to 220111022021202 its reverse (202120220111022), we get a palindrome (422231242132224).

The spelling of 220111022021202 in words is "two hundred twenty trillion, one hundred eleven billion, twenty-two million, twenty-one thousand, two hundred two".