2021011222222 has 8 divisors (see below), whose sum is σ = 3031547263272. Its totient is φ = 1010495467800.

The previous prime is 2021011222159. The next prime is 2021011222247. The reversal of 2021011222222 is 2222221101202.

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

It is a super-3 number, since 3×2021011222222³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2021011222222.

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, 4820104 + ... + 5222587.

It is an arithmetic number, because the mean of its divisors is an integer number (378943407909).

Almost surely, 2^{2021011222222} is an apocalyptic number.

2021011222222 is a deficient number, since it is larger than the sum of its proper divisors (1010536041050).

2021011222222 is a wasteful number, since it uses less digits than its factorization.

2021011222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143314.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2021011222222 its reverse (2222221101202), we get a palindrome (4243232323424).

The spelling of 2021011222222 in words is "two trillion, twenty-one billion, eleven million, two hundred twenty-two thousand, two hundred twenty-two".