2021100102222 has 8 divisors (see below), whose sum is σ = 4042200204456. Its totient is φ = 673700034072.

The previous prime is 2021100102211. The next prime is 2021100102223. The reversal of 2021100102222 is 2222010011202.

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

2021100102222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021100102223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168425008513 + ... + 168425008524.

It is an arithmetic number, because the mean of its divisors is an integer number (505275025557).

Almost surely, 2^{2021100102222} is an apocalyptic number.

2021100102222 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.

2021100102222 is a wasteful number, since it uses less digits than its factorization.

2021100102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336850017042.

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

Adding to 2021100102222 its reverse (2222010011202), we get a palindrome (4243110113424).

The spelling of 2021100102222 in words is "two trillion, twenty-one billion, one hundred million, one hundred two thousand, two hundred twenty-two".