22010002021021 has 32 divisors (see below), whose sum is σ = 25258641408000. Its totient is φ = 18787643848512.

The previous prime is 22010002021013. The next prime is 22010002021037. The reversal of 22010002021021 is 12012020001022.

It is a happy number.

It is not a de Polignac number, because 22010002021021 - 2³ = 22010002021013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22010002020992 and 22010002021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010002021321) 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 31 ways as a sum of consecutive naturals, for example, 5292135940 + ... + 5292140098.

It is an arithmetic number, because the mean of its divisors is an integer number (789332544000).

Almost surely, 2^{22010002021021} is an apocalyptic number.

It is an amenable number.

22010002021021 is a deficient number, since it is larger than the sum of its proper divisors (3248639386979).

22010002021021 is a wasteful number, since it uses less digits than its factorization.

22010002021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321.

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

Adding to 22010002021021 its reverse (12012020001022), we get a palindrome (34022022022043).

The spelling of 22010002021021 in words is "twenty-two trillion, ten billion, two million, twenty-one thousand, twenty-one".