110021202021 has 32 divisors (see below), whose sum is σ = 157492944000. Its totient is φ = 68075642880.

The previous prime is 110021202017. The next prime is 110021202041. The reversal of 110021202021 is 120202120011.

It is not a de Polignac number, because 110021202021 - 2² = 110021202017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110021201988 and 110021202006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021202041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1004181 + ... + 1108341.

It is an arithmetic number, because the mean of its divisors is an integer number (4921654500).

Almost surely, 2^110021202021 is an apocalyptic number.

It is an amenable number.

110021202021 is a deficient number, since it is larger than the sum of its proper divisors (47471741979).

110021202021 is a wasteful number, since it uses less digits than its factorization.

110021202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104469.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 110021202021 its reverse (120202120011), we get a palindrome (230223322032).

The spelling of 110021202021 in words is "one hundred ten billion, twenty-one million, two hundred two thousand, twenty-one".