111202001022020 has 96 divisors (see below), whose sum is σ = 244339335475200. Its totient is φ = 42458245369344.

The previous prime is 111202001022017. The next prime is 111202001022037. The reversal of 111202001022020 is 20220100202111.

It is a super-3 number, since 3×111202001022020³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111202001021986 and 111202001022004.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18178526 + ... + 23513034.

It is an arithmetic number, because the mean of its divisors is an integer number (2545201411200).

Almost surely, 2^{111202001022020} is an apocalyptic number.

111202001022020 is a gapful number since it is divisible by the number (10) 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 111202001022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122169667737600).

111202001022020 is an abundant number, since it is smaller than the sum of its proper divisors (133137334453180).

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

111202001022020 is a wasteful number, since it uses less digits than its factorization.

111202001022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5334957 (or 5334955 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111202001022020 its reverse (20220100202111), we get a palindrome (131422101224131).

The spelling of 111202001022020 in words is "one hundred eleven trillion, two hundred two billion, one million, twenty-two thousand, twenty".