100222220021210 has 64 divisors (see below), whose sum is σ = 218849027827968. Its totient is φ = 32259152876544.

The previous prime is 100222220021167. The next prime is 100222220021237. The reversal of 100222220021210 is 12120022222001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon 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, 105598544 + ... + 106543403.

It is an arithmetic number, because the mean of its divisors is an integer number (3419516059812).

Almost surely, 2^{100222220021210} is an apocalyptic number.

100222220021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100222220021210 is an abundant number, since it is smaller than the sum of its proper divisors (118626807806758).

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

100222220021210 is a wasteful number, since it uses less digits than its factorization.

100222220021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212142375.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100222220021210 its reverse (12120022222001), we get a palindrome (112342242243211).

The spelling of 100222220021210 in words is "one hundred trillion, two hundred twenty-two billion, two hundred twenty million, twenty-one thousand, two hundred ten".