10220002102021 has 4 divisors (see below), whose sum is σ = 10250328518092. Its totient is φ = 10189675685952.

The previous prime is 10220002102001. The next prime is 10220002102043. The reversal of 10220002102021 is 12020120002201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3633747125121 + 6586254976900 = 1906239^2 + 2566370^2 .

It is a cyclic number.

It is not a de Polignac number, because 10220002102021 - 2¹⁷ = 10220001970949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220002101992 and 10220002102010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220002102001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15163207530 + ... + 15163208203.

It is an arithmetic number, because the mean of its divisors is an integer number (2562582129523).

Almost surely, 2^{10220002102021} is an apocalyptic number.

It is an amenable number.

10220002102021 is a deficient number, since it is larger than the sum of its proper divisors (30326416071).

10220002102021 is an equidigital number, since it uses as much as digits as its factorization.

10220002102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30326416070.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10220002102021 its reverse (12020120002201), we get a palindrome (22240122104222).

The spelling of 10220002102021 in words is "ten trillion, two hundred twenty billion, two million, one hundred two thousand, twenty-one".