100220111020111 has 16 divisors (see below), whose sum is σ = 105965192044800. Its totient is φ = 94522306320000.

The previous prime is 100220111020079. The next prime is 100220111020171. The reversal of 100220111020111 is 111020111022001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 100220111020111 - 2⁵ = 100220111020079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220111020091 and 100220111020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220111020171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11520150 + ... + 18252508.

It is an arithmetic number, because the mean of its divisors is an integer number (6622824502800).

Almost surely, 2^{100220111020111} is an apocalyptic number.

100220111020111 is a deficient number, since it is larger than the sum of its proper divisors (5745081024689).

100220111020111 is a wasteful number, since it uses less digits than its factorization.

100220111020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735870.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100220111020111 its reverse (111020111022001), we get a palindrome (211240222042112).

The spelling of 100220111020111 in words is "one hundred trillion, two hundred twenty billion, one hundred eleven million, twenty thousand, one hundred eleven".