2021211202201 has 16 divisors (see below), whose sum is σ = 2048266826640. Its totient is φ = 1994297011200.

The previous prime is 2021211202103. The next prime is 2021211202223. The reversal of 2021211202201 is 1022021121202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 279666457225 + 1741544744976 = 528835^2 + 1319676^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021211202201 - 2²³ = 2021202813593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021211203201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207660931 + ... + 207670663.

It is an arithmetic number, because the mean of its divisors is an integer number (128016676665).

Almost surely, 2^{2021211202201} is an apocalyptic number.

It is an amenable number.

2021211202201 is a deficient number, since it is larger than the sum of its proper divisors (27055624439).

2021211202201 is a wasteful number, since it uses less digits than its factorization.

2021211202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16716.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2021211202201 its reverse (1022021121202), we get a palindrome (3043232323403).

The spelling of 2021211202201 in words is "two trillion, twenty-one billion, two hundred eleven million, two hundred two thousand, two hundred one".