2022100210021 has 8 divisors (see below), whose sum is σ = 2120482981080. Its totient is φ = 1925627784192.

The previous prime is 2022100210019. The next prime is 2022100210027. The reversal of 2022100210021 is 1200120012202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 279069192900 + 1743031017121 = 528270^2 + 1320239^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2022100210021 - 2¹ = 2022100210019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022100209983 and 2022100210010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2022100210027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477584140 + ... + 477588373.

It is an arithmetic number, because the mean of its divisors is an integer number (265060372635).

Almost surely, 2^{2022100210021} is an apocalyptic number.

It is an amenable number.

2022100210021 is a deficient number, since it is larger than the sum of its proper divisors (98382771059).

2022100210021 is an equidigital number, since it uses as much as digits as its factorization.

2022100210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955172615.

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

Adding to 2022100210021 its reverse (1200120012202), we get a palindrome (3222220222223).

The spelling of 2022100210021 in words is "two trillion, twenty-two billion, one hundred million, two hundred ten thousand, twenty-one".