2011121010122 has 32 divisors (see below), whose sum is σ = 3522038353920. Its totient is φ = 843319341360.

The previous prime is 2011121010103. The next prime is 2011121010131. The reversal of 2011121010122 is 2210101211102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2011121010097 and 2011121010106.

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 15 ways as a sum of consecutive naturals, for example, 1764779 + ... + 2671457.

It is an arithmetic number, because the mean of its divisors is an integer number (110063698560).

Almost surely, 2^{2011121010122} is an apocalyptic number.

2011121010122 is a deficient number, since it is larger than the sum of its proper divisors (1510917343798).

2011121010122 is a wasteful number, since it uses less digits than its factorization.

2011121010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910106.

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

Adding to 2011121010122 its reverse (2210101211102), we get a palindrome (4221222221224).

The spelling of 2011121010122 in words is "two trillion, eleven billion, one hundred twenty-one million, ten thousand, one hundred twenty-two".