100100022111 has 12 divisors (see below), whose sum is σ = 148496729992. Its totient is φ = 64929743856.

The previous prime is 100100022103. The next prime is 100100022131. The reversal of 100100022111 is 111220001001.

It is a happy number.

It is not a de Polignac number, because 100100022111 - 2³ = 100100022103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100100022093 and 100100022102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100100022131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150300001 + ... + 150300666.

Almost surely, 2^100100022111 is an apocalyptic number.

100100022111 is a deficient number, since it is larger than the sum of its proper divisors (48396707881).

100100022111 is a wasteful number, since it uses less digits than its factorization.

100100022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300600710 (or 300600707 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 100100022111 its reverse (111220001001), we get a palindrome (211320023112).

The spelling of 100100022111 in words is "one hundred billion, one hundred million, twenty-two thousand, one hundred eleven".