20120211011122 has 16 divisors (see below), whose sum is σ = 30284748952920. Its totient is φ = 10025297932032.

The previous prime is 20120211011101. The next prime is 20120211011129. The reversal of 20120211011122 is 22111011202102.

It can be written as a sum of positive squares in 4 ways, for example, as 12862688158681 + 7257522852441 = 3586459^2 + 2693979^2 .

It is a super-2 number, since 2×20120211011122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20120211011096 and 20120211011105.

It is not an unprimeable number, because it can be changed into a prime (20120211011129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11796154 + ... + 13393642.

Almost surely, 2^{20120211011122} is an apocalyptic number.

20120211011122 is a deficient number, since it is larger than the sum of its proper divisors (10164537941798).

20120211011122 is a wasteful number, since it uses less digits than its factorization.

20120211011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619277.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20120211011122 its reverse (22111011202102), we get a palindrome (42231222213224).

The spelling of 20120211011122 in words is "twenty trillion, one hundred twenty billion, two hundred eleven million, eleven thousand, one hundred twenty-two".