23220212531100 has 288 divisors, whose sum is σ = 75054702858240. Its totient is φ = 5505746688000.

The previous prime is 23220212530973. The next prime is 23220212531137. The reversal of 23220212531100 is 113521202232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11713005 + ... + 13551195.

Almost surely, 2^{23220212531100} is an apocalyptic number.

23220212531100 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 23220212531100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37527351429120).

23220212531100 is an abundant number, since it is smaller than the sum of its proper divisors (51834490327140).

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

23220212531100 is a wasteful number, since it uses less digits than its factorization.

23220212531100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838341 (or 1838334 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 23220212531100 its reverse (113521202232), we get a palindrome (23333733733332).

The spelling of 23220212531100 in words is "twenty-three trillion, two hundred twenty billion, two hundred twelve million, five hundred thirty-one thousand, one hundred".