2011001221122 has 32 divisors (see below), whose sum is σ = 4048971898752. Its totient is φ = 665849864064.

The previous prime is 2011001221091. The next prime is 2011001221181. The reversal of 2011001221122 is 2211221001102.

It is a super-2 number, since 2×2011001221122² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 649438 + ... + 2108025.

It is an arithmetic number, because the mean of its divisors is an integer number (126530371836).

Almost surely, 2^{2011001221122} is an apocalyptic number.

2011001221122 is an abundant number, since it is smaller than the sum of its proper divisors (2037970677630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011001221122 is a wasteful number, since it uses less digits than its factorization.

2011001221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758282.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2011001221122 its reverse (2211221001102), we get a palindrome (4222222222224).

The spelling of 2011001221122 in words is "two trillion, eleven billion, one million, two hundred twenty-one thousand, one hundred twenty-two".