2011220133031 has 2 divisors, whose sum is σ = 2011220133032. Its totient is φ = 2011220133030.

The previous prime is 2011220132983. The next prime is 2011220133119. The reversal of 2011220133031 is 1303310221102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011220133031 is a prime.

It is a super-2 number, since 2×2011220133031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011220133931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005610066515 + 1005610066516.

It is an arithmetic number, because the mean of its divisors is an integer number (1005610066516).

Almost surely, 2^{2011220133031} is an apocalyptic number.

2011220133031 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011220133031 is an equidigital number, since it uses as much as digits as its factorization.

2011220133031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2011220133031 its reverse (1303310221102), we get a palindrome (3314530354133).

The spelling of 2011220133031 in words is "two trillion, eleven billion, two hundred twenty million, one hundred thirty-three thousand, thirty-one".