20101011122 has 8 divisors (see below), whose sum is σ = 30280923036. Its totient is φ = 10007370112.

The previous prime is 20101011113. The next prime is 20101011137. The reversal of 20101011122 is 22111010102.

It can be written as a sum of positive squares in 2 ways, for example, as 20004990721 + 96020401 = 141439^2 + 9799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21567143 + ... + 21568074.

Almost surely, 2^20101011122 is an apocalyptic number.

20101011122 is a deficient number, since it is larger than the sum of its proper divisors (10179911914).

20101011122 is a wasteful number, since it uses less digits than its factorization.

20101011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43135452.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20101011122 its reverse (22111010102), we get a palindrome (42212021224).

The spelling of 20101011122 in words is "twenty billion, one hundred one million, eleven thousand, one hundred twenty-two".