110012221021021 has 4 divisors (see below), whose sum is σ = 120013332022944. Its totient is φ = 100011110019100.

The previous prime is 110012221021009. The next prime is 110012221021037. The reversal of 110012221021021 is 120120122210011.

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 a cyclic number.

It is not a de Polignac number, because 110012221021021 - 2³¹ = 110010073537373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110012221020986 and 110012221021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110012221021061) 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, 5000555500945 + ... + 5000555500966.

It is an arithmetic number, because the mean of its divisors is an integer number (30003333005736).

Almost surely, 2^{110012221021021} is an apocalyptic number.

110012221021021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110012221021021 is a deficient number, since it is larger than the sum of its proper divisors (10001111001923).

110012221021021 is a wasteful number, since it uses less digits than its factorization.

110012221021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001111001922.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 110012221021021 its reverse (120120122210011), we get a palindrome (230132343231032).

The spelling of 110012221021021 in words is "one hundred ten trillion, twelve billion, two hundred twenty-one million, twenty-one thousand, twenty-one".