2011022021122 has 16 divisors (see below), whose sum is σ = 3017516043672. Its totient is φ = 1005183406080.

The previous prime is 2011022021101. The next prime is 2011022021123. The reversal of 2011022021122 is 2211202201102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 835595263881 + 1175426757241 = 914109^2 + 1084171^2 .

It is a super-2 number, since 2×2011022021122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011022021096 and 2011022021105.

It is not an unprimeable number, because it can be changed into a prime (2011022021123) 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, 111857398 + ... + 111875374.

Almost surely, 2^{2011022021122} is an apocalyptic number.

2011022021122 is a deficient number, since it is larger than the sum of its proper divisors (1006494022550).

2011022021122 is a wasteful number, since it uses less digits than its factorization.

2011022021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33093.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2011022021122 its reverse (2211202201102), we get a palindrome (4222224222224).

The spelling of 2011022021122 in words is "two trillion, eleven billion, twenty-two million, twenty-one thousand, one hundred twenty-two".