220122011012 has 6 divisors (see below), whose sum is σ = 385213519278. Its totient is φ = 110061005504.

The previous prime is 220122010973. The next prime is 220122011063. The reversal of 220122011012 is 210110221022.

It can be written as a sum of positive squares in only one way, i.e., 112443526276 + 107678484736 = 335326^2 + 328144^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27515251373 + ... + 27515251380.

It is an arithmetic number, because the mean of its divisors is an integer number (64202253213).

Almost surely, 2^220122011012 is an apocalyptic number.

It is an amenable number.

220122011012 is a deficient number, since it is larger than the sum of its proper divisors (165091508266).

220122011012 is a wasteful number, since it uses less digits than its factorization.

220122011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55030502757 (or 55030502755 counting only the distinct ones).

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

Adding to 220122011012 its reverse (210110221022), we get a palindrome (430232232034).

The spelling of 220122011012 in words is "two hundred twenty billion, one hundred twenty-two million, eleven thousand, twelve".