1021030201 has 2 divisors, whose sum is σ = 1021030202. Its totient is φ = 1021030200.

The previous prime is 1021030181. The next prime is 1021030211. The reversal of 1021030201 is 1020301201.

It is an a-pointer prime, because the next prime (1021030211) can be obtained adding 1021030201 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1020738601 + 291600 = 31949^2 + 540^2 .

It is an emirp because it is prime and its reverse (1020301201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1021030201 - 2²³ = 1012641593 is a prime.

It is not a weakly prime, because it can be changed into another prime (1021030211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510515100 + 510515101.

It is an arithmetic number, because the mean of its divisors is an integer number (510515101).

Almost surely, 2^1021030201 is an apocalyptic number.

It is an amenable number.

1021030201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021030201 is an equidigital number, since it uses as much as digits as its factorization.

1021030201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1021030201 is about 31953.5631972398. The cubic root of 1021030201 is about 1006.9614921700.

Adding to 1021030201 its reverse (1020301201), we get a palindrome (2041331402).

Subtracting from 1021030201 its reverse (1020301201), we obtain a cube (729000 = 90³).

The spelling of 1021030201 in words is "one billion, twenty-one million, thirty thousand, two hundred one".