2021010020233 has 2 divisors, whose sum is σ = 2021010020234. Its totient is φ = 2021010020232.

The previous prime is 2021010020207. The next prime is 2021010020279. The reversal of 2021010020233 is 3320200101202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1498450188544 + 522559831689 = 1224112^2 + 722883^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021010020233 - 2¹³ = 2021010012041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2021010023233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010505010116 + 1010505010117.

It is an arithmetic number, because the mean of its divisors is an integer number (1010505010117).

Almost surely, 2^{2021010020233} is an apocalyptic number.

It is an amenable number.

2021010020233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021010020233 is an equidigital number, since it uses as much as digits as its factorization.

2021010020233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 2021010020233 its reverse (3320200101202), we get a palindrome (5341210121435).

The spelling of 2021010020233 in words is "two trillion, twenty-one billion, ten million, twenty thousand, two hundred thirty-three".