20101112010122 has 32 divisors (see below), whose sum is σ = 35951639258304. Its totient is φ = 8308151913600.

The previous prime is 20101112010121. The next prime is 20101112010191. The reversal of 20101112010122 is 22101021110102.

It is a super-2 number, since 2×20101112010122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20101112010097 and 20101112010106.

It is not an unprimeable number, because it can be changed into a prime (20101112010121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524485379 + ... + 524523702.

It is an arithmetic number, because the mean of its divisors is an integer number (1123488726822).

Almost surely, 2^{20101112010122} is an apocalyptic number.

20101112010122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20101112010122 is a deficient number, since it is larger than the sum of its proper divisors (15850527248182).

20101112010122 is a wasteful number, since it uses less digits than its factorization.

20101112010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049009174.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20101112010122 its reverse (22101021110102), we get a palindrome (42202133120224).

The spelling of 20101112010122 in words is "twenty trillion, one hundred one billion, one hundred twelve million, ten thousand, one hundred twenty-two".