101100112221020 has 96 divisors (see below), whose sum is σ = 231776562398976. Its totient is φ = 36737430105600.

The previous prime is 101100112221019. The next prime is 101100112221037. The reversal of 101100112221020 is 20122211001101.

It is a super-2 number, since 2×101100112221020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101100112220986 and 101100112221004.

It is a congruent number.

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, 3558470615 + ... + 3558499025.

It is an arithmetic number, because the mean of its divisors is an integer number (2414339191656).

Almost surely, 2^{101100112221020} is an apocalyptic number.

101100112221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101100112221020 is an abundant number, since it is smaller than the sum of its proper divisors (130676450177956).

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

101100112221020 is a wasteful number, since it uses less digits than its factorization.

101100112221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39411 (or 39409 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101100112221020 its reverse (20122211001101), we get a palindrome (121222323222121).

The spelling of 101100112221020 in words is "one hundred one trillion, one hundred billion, one hundred twelve million, two hundred twenty-one thousand, twenty".