10221101120021 has 16 divisors (see below), whose sum is σ = 11410327186368. Its totient is φ = 9075241728000.

The previous prime is 10221101120003. The next prime is 10221101120039. The reversal of 10221101120021 is 12002110112201.

10221101120021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10221101120003) and next prime (10221101120039).

It is a cyclic number.

It is not a de Polignac number, because 10221101120021 - 2²² = 10221096925717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10221101119978 and 10221101120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221101126021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6841685 + ... + 8200661.

It is an arithmetic number, because the mean of its divisors is an integer number (713145449148).

Almost surely, 2^{10221101120021} is an apocalyptic number.

10221101120021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10221101120021 is a deficient number, since it is larger than the sum of its proper divisors (1189226066347).

10221101120021 is a wasteful number, since it uses less digits than its factorization.

10221101120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374932.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10221101120021 its reverse (12002110112201), we get a palindrome (22223211232222).

The spelling of 10221101120021 in words is "ten trillion, two hundred twenty-one billion, one hundred one million, one hundred twenty thousand, twenty-one".