2021012201933 has 2 divisors, whose sum is σ = 2021012201934. Its totient is φ = 2021012201932.

The previous prime is 2021012201927. The next prime is 2021012202029. The reversal of 2021012201933 is 3391022101202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1924218414244 + 96793787689 = 1387162^2 + 311117^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021012201933 - 2⁴⁰ = 921500574157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021012201903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010506100966 + 1010506100967.

It is an arithmetic number, because the mean of its divisors is an integer number (1010506100967).

Almost surely, 2^{2021012201933} is an apocalyptic number.

It is an amenable number.

2021012201933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021012201933 is an equidigital number, since it uses as much as digits as its factorization.

2021012201933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 2021012201933 in words is "two trillion, twenty-one billion, twelve million, two hundred one thousand, nine hundred thirty-three".