2011222020122 has 16 divisors (see below), whose sum is σ = 3449221693632. Its totient is φ = 861599165280.

The previous prime is 2011222020107. The next prime is 2011222020139. The reversal of 2011222020122 is 2210202221102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011222020122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29392028 + ... + 29460375.

It is an arithmetic number, because the mean of its divisors is an integer number (215576355852).

Almost surely, 2^{2011222020122} is an apocalyptic number.

2011222020122 is a deficient number, since it is larger than the sum of its proper divisors (1437999673510).

2011222020122 is a wasteful number, since it uses less digits than its factorization.

2011222020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58854853.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2011222020122 its reverse (2210202221102), we get a palindrome (4221424241224).

The spelling of 2011222020122 in words is "two trillion, eleven billion, two hundred twenty-two million, twenty thousand, one hundred twenty-two".