100212101110220 has 24 divisors (see below), whose sum is σ = 229576813453008. Its totient is φ = 36440764040000.

The previous prime is 100212101110213. The next prime is 100212101110271. The reversal of 100212101110220 is 22011101212001.

It is a junction number, because it is equal to n+sod(n) for n = 100212101110195 and 100212101110204.

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, 227754775031 + ... + 227754775470.

It is an arithmetic number, because the mean of its divisors is an integer number (9565700560542).

Almost surely, 2^{100212101110220} is an apocalyptic number.

100212101110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100212101110220 is an abundant number, since it is smaller than the sum of its proper divisors (129364712342788).

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

100212101110220 is a wasteful number, since it uses less digits than its factorization.

100212101110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455509550521 (or 455509550519 counting only the distinct ones).

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

Adding to 100212101110220 its reverse (22011101212001), we get a palindrome (122223202322221).

The spelling of 100212101110220 in words is "one hundred trillion, two hundred twelve billion, one hundred one million, one hundred ten thousand, two hundred twenty".