2101221002022 has 8 divisors (see below), whose sum is σ = 4202442004056. Its totient is φ = 700407000672.

The previous prime is 2101221002011. The next prime is 2101221002087. The reversal of 2101221002022 is 2202001221012.

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

2101221002022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2101221001992 and 2101221002010.

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, 175101750163 + ... + 175101750174.

It is an arithmetic number, because the mean of its divisors is an integer number (525305250507).

Almost surely, 2^{2101221002022} is an apocalyptic number.

2101221002022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101221002022 is a wasteful number, since it uses less digits than its factorization.

2101221002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350203500342.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2101221002022 its reverse (2202001221012), we get a palindrome (4303222223034).

The spelling of 2101221002022 in words is "two trillion, one hundred one billion, two hundred twenty-one million, two thousand, twenty-two".