2011221002053 has 2 divisors, whose sum is σ = 2011221002054. Its totient is φ = 2011221002052.

The previous prime is 2011221002029. The next prime is 2011221002059. The reversal of 2011221002053 is 3502001221102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1463091033889 + 548129968164 = 1209583^2 + 740358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011221002053 - 2³³ = 2002631067461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011221002053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011221002059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005610501026 + 1005610501027.

It is an arithmetic number, because the mean of its divisors is an integer number (1005610501027).

Almost surely, 2^{2011221002053} is an apocalyptic number.

It is an amenable number.

2011221002053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011221002053 is an equidigital number, since it uses as much as digits as its factorization.

2011221002053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 2011221002053 its reverse (3502001221102), we get a palindrome (5513222223155).

The spelling of 2011221002053 in words is "two trillion, eleven billion, two hundred twenty-one million, two thousand, fifty-three".