111201210202220 has 12 divisors (see below), whose sum is σ = 233522541424704. Its totient is φ = 44480484080880.

The previous prime is 111201210202211. The next prime is 111201210202223. The reversal of 111201210202220 is 22202012102111.

It is not an unprimeable number, because it can be changed into a prime (111201210202223) 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, 2780030255036 + ... + 2780030255075.

It is an arithmetic number, because the mean of its divisors is an integer number (19460211785392).

Almost surely, 2^{111201210202220} is an apocalyptic number.

111201210202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111201210202220 is an abundant number, since it is smaller than the sum of its proper divisors (122321331222484).

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

111201210202220 is a wasteful number, since it uses less digits than its factorization.

111201210202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560060510120 (or 5560060510118 counting only the distinct ones).

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

Adding to 111201210202220 its reverse (22202012102111), we get a palindrome (133403222304331).

The spelling of 111201210202220 in words is "one hundred eleven trillion, two hundred one billion, two hundred ten million, two hundred two thousand, two hundred twenty".