100201110111020 has 24 divisors (see below), whose sum is σ = 210463777641264. Its totient is φ = 40072549490496.

The previous prime is 100201110110989. The next prime is 100201110111029. The reversal of 100201110111020 is 20111011102001.

It is a junction number, because it is equal to n+sod(n) for n = 100201110110992 and 100201110111010.

It is not an unprimeable number, because it can be changed into a prime (100201110111029) 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, 493305542 + ... + 493508621.

It is an arithmetic number, because the mean of its divisors is an integer number (8769324068386).

Almost surely, 2^{100201110111020} is an apocalyptic number.

100201110111020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100201110111020 is an abundant number, since it is smaller than the sum of its proper divisors (110262667530244).

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

100201110111020 is a wasteful number, since it uses less digits than its factorization.

100201110111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986819249 (or 986819247 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 100201110111020 its reverse (20111011102001), we get a palindrome (120312121213021).

The spelling of 100201110111020 in words is "one hundred trillion, two hundred one billion, one hundred ten million, one hundred eleven thousand, twenty".