20101022220112 has 80 divisors (see below), whose sum is σ = 39264406917120. Its totient is φ = 9968607792000.

The previous prime is 20101022220089. The next prime is 20101022220187. The reversal of 20101022220112 is 21102222010102.

It is a happy number.

It is a super-3 number, since 3×20101022220112³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3435481987 + ... + 3435487837.

It is an arithmetic number, because the mean of its divisors is an integer number (490805086464).

Almost surely, 2^{20101022220112} is an apocalyptic number.

It is an amenable number.

20101022220112 is a deficient number, since it is larger than the sum of its proper divisors (19163384697008).

20101022220112 is a wasteful number, since it uses less digits than its factorization.

20101022220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9152 (or 9146 counting only the distinct ones).

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

Adding to 20101022220112 its reverse (21102222010102), we get a palindrome (41203244230214).

The spelling of 20101022220112 in words is "twenty trillion, one hundred one billion, twenty-two million, two hundred twenty thousand, one hundred twelve".