22021020221011 has 48 divisors (see below), whose sum is σ = 26425621559232. Its totient is φ = 18285514598400.

The previous prime is 22021020220987. The next prime is 22021020221021. The reversal of 22021020221011 is 11012202012022.

It is a happy number.

It is not a de Polignac number, because 22021020221011 - 2¹³ = 22021020212819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22021020221021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 327752841 + ... + 327820021.

It is an arithmetic number, because the mean of its divisors is an integer number (550533782484).

Almost surely, 2^{22021020221011} is an apocalyptic number.

22021020221011 is a deficient number, since it is larger than the sum of its proper divisors (4404601338221).

22021020221011 is a wasteful number, since it uses less digits than its factorization.

22021020221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68380 (or 68373 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22021020221011 its reverse (11012202012022), we get a palindrome (33033222233033).

The spelling of 22021020221011 in words is "twenty-two trillion, twenty-one billion, twenty million, two hundred twenty-one thousand, eleven".