100211110221020 has 24 divisors (see below), whose sum is σ = 213407322051168. Its totient is φ = 39519874452800.

The previous prime is 100211110220999. The next prime is 100211110221067. The reversal of 100211110221020 is 20122011112001.

It is a super-2 number, since 2×100211110221020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100211110220986 and 100211110221004.

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, 35285600771 + ... + 35285603610.

It is an arithmetic number, because the mean of its divisors is an integer number (8891971752132).

Almost surely, 2^{100211110221020} is an apocalyptic number.

100211110221020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100211110221020 is an abundant number, since it is smaller than the sum of its proper divisors (113196211830148).

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

100211110221020 is a wasteful number, since it uses less digits than its factorization.

100211110221020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70571204461 (or 70571204459 counting only the distinct ones).

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

Adding to 100211110221020 its reverse (20122011112001), we get a palindrome (120333121333021).

The spelling of 100211110221020 in words is "one hundred trillion, two hundred eleven billion, one hundred ten million, two hundred twenty-one thousand, twenty".