2001203022053 has 2 divisors, whose sum is σ = 2001203022054. Its totient is φ = 2001203022052.

The previous prime is 2001203021999. The next prime is 2001203022079. The reversal of 2001203022053 is 3502203021002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1963647295204 + 37555726849 = 1401302^2 + 193793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001203022053 is a prime.

It is a super-3 number, since 3×2001203022053³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001203024053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000601511026 + 1000601511027.

It is an arithmetic number, because the mean of its divisors is an integer number (1000601511027).

Almost surely, 2^{2001203022053} is an apocalyptic number.

It is an amenable number.

2001203022053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001203022053 is an equidigital number, since it uses as much as digits as its factorization.

2001203022053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 2001203022053 its reverse (3502203021002), we get a palindrome (5503406043055).

The spelling of 2001203022053 in words is "two trillion, one billion, two hundred three million, twenty-two thousand, fifty-three".