2011020120002 has 4 divisors (see below), whose sum is σ = 3016530180006. Its totient is φ = 1005510060000.

The previous prime is 2011020119989. The next prime is 2011020120007. The reversal of 2011020120002 is 2000210201102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2010551007721 + 469112281 = 1417939^2 + 21659^2 .

It is not an unprimeable number, because it can be changed into a prime (2011020120007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502755029999 + ... + 502755030002.

Almost surely, 2^{2011020120002} is an apocalyptic number.

2011020120002 is a deficient number, since it is larger than the sum of its proper divisors (1005510060004).

2011020120002 is a wasteful number, since it uses less digits than its factorization.

2011020120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005510060003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2011020120002 its reverse (2000210201102), we get a palindrome (4011230321104).

The spelling of 2011020120002 in words is "two trillion, eleven billion, twenty million, one hundred twenty thousand, two".