100111220020010 has 64 divisors (see below), whose sum is σ = 182922031873152. Its totient is φ = 39445389624576.

The previous prime is 100111220019961. The next prime is 100111220020027. The reversal of 100111220020010 is 10020022111001.

It is a junction number, because it is equal to n+sod(n) for n = 100111220019973 and 100111220020000.

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, 93717569 + ... + 94779771.

It is an arithmetic number, because the mean of its divisors is an integer number (2858156748018).

Almost surely, 2^{100111220020010} is an apocalyptic number.

100111220020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100111220020010 is a deficient number, since it is larger than the sum of its proper divisors (82810811853142).

100111220020010 is a wasteful number, since it uses less digits than its factorization.

100111220020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062887.

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

Adding to 100111220020010 its reverse (10020022111001), we get a palindrome (110131242131011).

The spelling of 100111220020010 in words is "one hundred trillion, one hundred eleven billion, two hundred twenty million, twenty thousand, ten".