100220111121011 has 16 divisors (see below), whose sum is σ = 117331598209728. Its totient is φ = 83807232422400.

The previous prime is 100220111120971. The next prime is 100220111121017. The reversal of 100220111121011 is 110121111022001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100220111121011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100220111121017) 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, 48636191 + ... + 50654903.

It is an arithmetic number, because the mean of its divisors is an integer number (7333224888108).

Almost surely, 2^{100220111121011} is an apocalyptic number.

100220111121011 is a deficient number, since it is larger than the sum of its proper divisors (17111487088717).

100220111121011 is a wasteful number, since it uses less digits than its factorization.

100220111121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191742.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 100220111121011 its reverse (110121111022001), we get a palindrome (210341222143012).

The spelling of 100220111121011 in words is "one hundred trillion, two hundred twenty billion, one hundred eleven million, one hundred twenty-one thousand, eleven".