111202020220022 has 4 divisors (see below), whose sum is σ = 166803030330036. Its totient is φ = 55601010110010.

The previous prime is 111202020220021. The next prime is 111202020220079. The reversal of 111202020220022 is 220022020202111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111202020220021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27800505055004 + ... + 27800505055007.

It is an arithmetic number, because the mean of its divisors is an integer number (41700757582509).

Almost surely, 2^{111202020220022} is an apocalyptic number.

111202020220022 is a deficient number, since it is larger than the sum of its proper divisors (55601010110014).

111202020220022 is an equidigital number, since it uses as much as digits as its factorization.

111202020220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55601010110013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 111202020220022 its reverse (220022020202111), we get a palindrome (331224040422133).

The spelling of 111202020220022 in words is "one hundred eleven trillion, two hundred two billion, twenty million, two hundred twenty thousand, twenty-two".