202212221111120 has 160 divisors (see below), whose sum is σ = 522802570029696. Its totient is φ = 72123268352000.

The previous prime is 202212221111107. The next prime is 202212221111129. The reversal of 202212221111120 is 21111122212202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 202212221111092 and 202212221111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212221111129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1121219 + ... + 20141538.

Almost surely, 2^{202212221111120} is an apocalyptic number.

202212221111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202212221111120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261401285014848).

202212221111120 is an abundant number, since it is smaller than the sum of its proper divisors (320590348918576).

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

202212221111120 is a wasteful number, since it uses less digits than its factorization.

202212221111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21262989 (or 21262983 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202212221111120 its reverse (21111122212202), we get a palindrome (223323343323322).

The spelling of 202212221111120 in words is "two hundred two trillion, two hundred twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty".