20121021033222 has 64 divisors (see below), whose sum is σ = 40803134980608. Its totient is φ = 6614265600000.

The previous prime is 20121021033167. The next prime is 20121021033257. The reversal of 20121021033222 is 22233012012102.

It is a super-3 number, since 3×20121021033222³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94513597 + ... + 94726247.

It is an arithmetic number, because the mean of its divisors is an integer number (637548984072).

Almost surely, 2^{20121021033222} is an apocalyptic number.

20121021033222 is an abundant number, since it is smaller than the sum of its proper divisors (20682113947386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20121021033222 is a wasteful number, since it uses less digits than its factorization.

20121021033222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213565.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20121021033222 its reverse (22233012012102), we get a palindrome (42354033045324).

The spelling of 20121021033222 in words is "twenty trillion, one hundred twenty-one billion, twenty-one million, thirty-three thousand, two hundred twenty-two".