110101020012021 has 4 divisors (see below), whose sum is σ = 146801360016032. Its totient is φ = 73400680008012.

The previous prime is 110101020012017. The next prime is 110101020012037. The reversal of 110101020012021 is 120210020101011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 110101020012021 - 2² = 110101020012017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110101020011988 and 110101020012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110101020012421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18350170002001 + ... + 18350170002006.

It is an arithmetic number, because the mean of its divisors is an integer number (36700340004008).

Almost surely, 2^{110101020012021} is an apocalyptic number.

It is an amenable number.

110101020012021 is a deficient number, since it is larger than the sum of its proper divisors (36700340004011).

110101020012021 is an equidigital number, since it uses as much as digits as its factorization.

110101020012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36700340004010.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110101020012021 its reverse (120210020101011), we get a palindrome (230311040113032).

The spelling of 110101020012021 in words is "one hundred ten trillion, one hundred one billion, twenty million, twelve thousand, twenty-one".