110212213021 has 4 divisors (see below), whose sum is σ = 110214392992. Its totient is φ = 110210033052.

The previous prime is 110212212989. The next prime is 110212213063. The reversal of 110212213021 is 120312212011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120312212011 = 141931 ⋅847681.

It is a cyclic number.

It is not a de Polignac number, because 110212213021 - 2⁵ = 110212212989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110212212986 and 110212213004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110212213091) 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, 1012305 + ... + 1115878.

It is an arithmetic number, because the mean of its divisors is an integer number (27553598248).

Almost surely, 2^110212213021 is an apocalyptic number.

It is an amenable number.

110212213021 is a deficient number, since it is larger than the sum of its proper divisors (2179971).

110212213021 is an equidigital number, since it uses as much as digits as its factorization.

110212213021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179970.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 110212213021 its reverse (120312212011), we get a palindrome (230524425032).

The spelling of 110212213021 in words is "one hundred ten billion, two hundred twelve million, two hundred thirteen thousand, twenty-one".