2011020121202 has 4 divisors (see below), whose sum is σ = 3016530181806. Its totient is φ = 1005510060600.

The previous prime is 2011020121193. The next prime is 2011020121207. The reversal of 2011020121202 is 2021210201102.

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., 1015034085121 + 995986036081 = 1007489^2 + 997991^2 .

It is not an unprimeable number, because it can be changed into a prime (2011020121207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502755030299 + ... + 502755030302.

Almost surely, 2^{2011020121202} is an apocalyptic number.

2011020121202 is a deficient number, since it is larger than the sum of its proper divisors (1005510060604).

2011020121202 is a wasteful number, since it uses less digits than its factorization.

2011020121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005510060603.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2011020121202 its reverse (2021210201102), we get a palindrome (4032230322304).

The spelling of 2011020121202 in words is "two trillion, eleven billion, twenty million, one hundred twenty-one thousand, two hundred two".