10120112221021 has 4 divisors (see below), whose sum is σ = 11040122422944. Its totient is φ = 9200102019100.

The previous prime is 10120112221003. The next prime is 10120112221067. The reversal of 10120112221021 is 12012221102101.

10120112221021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10120112221021 - 2¹¹ = 10120112218973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10120112220986 and 10120112221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120112221091) 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, 460005100945 + ... + 460005100966.

It is an arithmetic number, because the mean of its divisors is an integer number (2760030605736).

Almost surely, 2^{10120112221021} is an apocalyptic number.

10120112221021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10120112221021 is a deficient number, since it is larger than the sum of its proper divisors (920010201923).

10120112221021 is an equidigital number, since it uses as much as digits as its factorization.

10120112221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920010201922.

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

Adding to 10120112221021 its reverse (12012221102101), we get a palindrome (22132333323122).

The spelling of 10120112221021 in words is "ten trillion, one hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, twenty-one".