110101121010021 has 32 divisors (see below), whose sum is σ = 147785309900800. Its totient is φ = 72910250582400.

The previous prime is 110101121009977. The next prime is 110101121010113. The reversal of 110101121010021 is 120010121101011.

It is not a de Polignac number, because 110101121010021 - 2³⁵ = 110066761271653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110101121009979 and 110101121010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110101121015021) 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, 1969474956 + ... + 1969530858.

It is an arithmetic number, because the mean of its divisors is an integer number (4618290934400).

Almost surely, 2^{110101121010021} is an apocalyptic number.

It is an amenable number.

110101121010021 is a deficient number, since it is larger than the sum of its proper divisors (37684188890779).

110101121010021 is a wasteful number, since it uses less digits than its factorization.

110101121010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62137.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 110101121010021 its reverse (120010121101011), we get a palindrome (230111242111032).

The spelling of 110101121010021 in words is "one hundred ten trillion, one hundred one billion, one hundred twenty-one million, ten thousand, twenty-one".