2021211020203 has 2 divisors, whose sum is σ = 2021211020204. Its totient is φ = 2021211020202.

The previous prime is 2021211020117. The next prime is 2021211020243. The reversal of 2021211020203 is 3020201121202.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2021211020203 - 2²⁵ = 2021177465771 is a prime.

It is a super-2 number, since 2×2021211020203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2021211020243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010605510101 + 1010605510102.

It is an arithmetic number, because the mean of its divisors is an integer number (1010605510102).

Almost surely, 2^{2021211020203} is an apocalyptic number.

2021211020203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021211020203 is an equidigital number, since it uses as much as digits as its factorization.

2021211020203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2021211020203 its reverse (3020201121202), we get a palindrome (5041412141405).

The spelling of 2021211020203 in words is "two trillion, twenty-one billion, two hundred eleven million, twenty thousand, two hundred three".