222020121011 has 16 divisors (see below), whose sum is σ = 246545008416. Its totient is φ = 198652187136.

The previous prime is 222020120999. The next prime is 222020121017. The reversal of 222020121011 is 110121020222.

It is not a de Polignac number, because 222020121011 - 2²² = 222015926707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222020121017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1883990 + ... + 1998363.

It is an arithmetic number, because the mean of its divisors is an integer number (15409063026).

Almost surely, 2^222020121011 is an apocalyptic number.

222020121011 is a deficient number, since it is larger than the sum of its proper divisors (24524887405).

222020121011 is a wasteful number, since it uses less digits than its factorization.

222020121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882502.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222020121011 its reverse (110121020222), we get a palindrome (332141141233).

The spelling of 222020121011 in words is "two hundred twenty-two billion, twenty million, one hundred twenty-one thousand, eleven".