100220121110 has 64 divisors (see below), whose sum is σ = 189107592192. Its totient is φ = 38168735616.

The previous prime is 100220121091. The next prime is 100220121119. The reversal of 100220121110 is 11121022001.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100220121091 and 100220121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220121119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62363927 + ... + 62365533.

It is an arithmetic number, because the mean of its divisors is an integer number (2954806128).

Almost surely, 2^100220121110 is an apocalyptic number.

100220121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100220121110 is a deficient number, since it is larger than the sum of its proper divisors (88887471082).

100220121110 is a wasteful number, since it uses less digits than its factorization.

100220121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100220121110 its reverse (11121022001), we get a palindrome (111341143111).

The spelling of 100220121110 in words is "one hundred billion, two hundred twenty million, one hundred twenty-one thousand, one hundred ten".