110020021101 has 12 divisors (see below), whose sum is σ = 158979991612. Its totient is φ = 73317980736.

The previous prime is 110020021081. The next prime is 110020021127. The reversal of 110020021101 is 101120020011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72277634025 + 37742387076 = 268845^2 + 194274^2 .

It is not a de Polignac number, because 110020021101 - 2¹⁸ = 110019758957 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (110020021141) 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, 2367376 + ... + 2413401.

Almost surely, 2^110020021101 is an apocalyptic number.

It is an amenable number.

110020021101 is a deficient number, since it is larger than the sum of its proper divisors (48959970511).

110020021101 is a wasteful number, since it uses less digits than its factorization.

110020021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783340 (or 4783337 counting only the distinct ones).

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

Adding to 110020021101 its reverse (101120020011), we get a palindrome (211140041112).

The spelling of 110020021101 in words is "one hundred ten billion, twenty million, twenty-one thousand, one hundred one".