100221112211020 has 24 divisors (see below), whose sum is σ = 214435360846224. Its totient is φ = 39332059131456.

The previous prime is 100221112210951. The next prime is 100221112211023. The reversal of 100221112211020 is 20112211122001.

It is a junction number, because it is equal to n+sod(n) for n = 100221112210985 and 100221112211003.

It is not an unprimeable number, because it can be changed into a prime (100221112211023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47274108474 + ... + 47274110593.

It is an arithmetic number, because the mean of its divisors is an integer number (8934806701926).

Almost surely, 2^{100221112211020} is an apocalyptic number.

100221112211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100221112211020 is an abundant number, since it is smaller than the sum of its proper divisors (114214248635204).

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

100221112211020 is a wasteful number, since it uses less digits than its factorization.

100221112211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94548219129 (or 94548219127 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100221112211020 its reverse (20112211122001), we get a palindrome (120333323333021).

The spelling of 100221112211020 in words is "one hundred trillion, two hundred twenty-one billion, one hundred twelve million, two hundred eleven thousand, twenty".