201021202153 has 2 divisors, whose sum is σ = 201021202154. Its totient is φ = 201021202152.

The previous prime is 201021202103. The next prime is 201021202159. The reversal of 201021202153 is 351202120102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199601645824 + 1419556329 = 446768^2 + 37677^2 .

It is a cyclic number.

It is not a de Polignac number, because 201021202153 - 2¹⁷ = 201021071081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201021202153.

It is not a weakly prime, because it can be changed into another prime (201021202159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510601076 + 100510601077.

It is an arithmetic number, because the mean of its divisors is an integer number (100510601077).

Almost surely, 2^201021202153 is an apocalyptic number.

It is an amenable number.

201021202153 is a deficient number, since it is larger than the sum of its proper divisors (1).

201021202153 is an equidigital number, since it uses as much as digits as its factorization.

201021202153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 201021202153 its reverse (351202120102), we get a palindrome (552223322255).

The spelling of 201021202153 in words is "two hundred one billion, twenty-one million, two hundred two thousand, one hundred fifty-three".