110021020109 has 72 divisors (see below), whose sum is σ = 151814073600. Its totient is φ = 78970731840.

The previous prime is 110021020103. The next prime is 110021020157. The reversal of 110021020109 is 901020120011.

It is not a de Polignac number, because 110021020109 - 2¹² = 110021016013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021020103) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 46167932 + ... + 46170314.

It is an arithmetic number, because the mean of its divisors is an integer number (2108528800).

Almost surely, 2^110021020109 is an apocalyptic number.

It is an amenable number.

110021020109 is a deficient number, since it is larger than the sum of its proper divisors (41793053491).

110021020109 is a wasteful number, since it uses less digits than its factorization.

110021020109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031 (or 3013 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 110021020109 in words is "one hundred ten billion, twenty-one million, twenty thousand, one hundred nine".