101021121112220 has 24 divisors (see below), whose sum is σ = 215050441384464. Its totient is φ = 39854908054656.

The previous prime is 101021121112141. The next prime is 101021121112243. The reversal of 101021121112220 is 22211121120101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34596272894 + ... + 34596275813.

It is an arithmetic number, because the mean of its divisors is an integer number (8960435057686).

Almost surely, 2^{101021121112220} is an apocalyptic number.

101021121112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021121112220 is an abundant number, since it is smaller than the sum of its proper divisors (114029320272244).

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

101021121112220 is a wasteful number, since it uses less digits than its factorization.

101021121112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69192548789 (or 69192548787 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101021121112220 its reverse (22211121120101), we get a palindrome (123232242232321).

The spelling of 101021121112220 in words is "one hundred one trillion, twenty-one billion, one hundred twenty-one million, one hundred twelve thousand, two hundred twenty".