2011121002002 has 64 divisors (see below), whose sum is σ = 4613920268544. Its totient is φ = 572472606720.

The previous prime is 2011121001973. The next prime is 2011121002003. The reversal of 2011121002002 is 2002001211102.

It is not an unprimeable number, because it can be changed into a prime (2011121002003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134452708 + ... + 134467664.

It is an arithmetic number, because the mean of its divisors is an integer number (72092504196).

Almost surely, 2^{2011121002002} is an apocalyptic number.

2011121002002 is an abundant number, since it is smaller than the sum of its proper divisors (2602799266542).

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

2011121002002 is a wasteful number, since it uses less digits than its factorization.

2011121002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26643.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2011121002002 its reverse (2002001211102), we get a palindrome (4013122213104).

The spelling of 2011121002002 in words is "two trillion, eleven billion, one hundred twenty-one million, two thousand, two".