2021102100022 has 8 divisors (see below), whose sum is σ = 3191213842200. Its totient is φ = 957364152624.

The previous prime is 2021102099999. The next prime is 2021102100049. The reversal of 2021102100022 is 2200012011202.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2021102099975 and 2021102100011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26593448647 + ... + 26593448722.

It is an arithmetic number, because the mean of its divisors is an integer number (398901730275).

Almost surely, 2^{2021102100022} is an apocalyptic number.

2021102100022 is a deficient number, since it is larger than the sum of its proper divisors (1170111742178).

2021102100022 is a wasteful number, since it uses less digits than its factorization.

2021102100022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53186897390.

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

Adding to 2021102100022 its reverse (2200012011202), we get a palindrome (4221114111224).

The spelling of 2021102100022 in words is "two trillion, twenty-one billion, one hundred two million, one hundred thousand, twenty-two".