100211212210120 has 32 divisors (see below), whose sum is σ = 245972975425920. Its totient is φ = 36440440803520.

The previous prime is 100211212210117. The next prime is 100211212210129. The reversal of 100211212210120 is 21012212112001.

It is a junction number, because it is equal to n+sod(n) for n = 100211212210094 and 100211212210103.

It is not an unprimeable number, because it can be changed into a prime (100211212210129) 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, 113876377072 + ... + 113876377951.

It is an arithmetic number, because the mean of its divisors is an integer number (7686655482060).

Almost surely, 2^{100211212210120} is an apocalyptic number.

100211212210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100211212210120 is an abundant number, since it is smaller than the sum of its proper divisors (145761763215800).

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

100211212210120 is a wasteful number, since it uses less digits than its factorization.

100211212210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227752755045 (or 227752755041 counting only the distinct ones).

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

Adding to 100211212210120 its reverse (21012212112001), we get a palindrome (121223424322121).

The spelling of 100211212210120 in words is "one hundred trillion, two hundred eleven billion, two hundred twelve million, two hundred ten thousand, one hundred twenty".