2021222022011 has 8 divisors (see below), whose sum is σ = 2021895149664. Its totient is φ = 2020548991680.

The previous prime is 2021222021983. The next prime is 2021222022019. The reversal of 2021222022011 is 1102202221202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021222022011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021222022019) 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, 81353951 + ... + 81378791.

It is an arithmetic number, because the mean of its divisors is an integer number (252736893708).

Almost surely, 2^{2021222022011} is an apocalyptic number.

2021222022011 is a deficient number, since it is larger than the sum of its proper divisors (673127653).

2021222022011 is a wasteful number, since it uses less digits than its factorization.

2021222022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48661.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021222022011 its reverse (1102202221202), we get a palindrome (3123424243213).

The spelling of 2021222022011 in words is "two trillion, twenty-one billion, two hundred twenty-two million, twenty-two thousand, eleven".