1011020000201 has 2 divisors, whose sum is σ = 1011020000202. Its totient is φ = 1011020000200.

The previous prime is 1011020000173. The next prime is 1011020000203. The reversal of 1011020000201 is 1020000201101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 729228894601 + 281791105600 = 853949^2 + 530840^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011020000201 - 2²² = 1011015805897 is a prime.

It is a super-2 number, since 2×1011020000201² (a number of 25 digits) contains 22 as substring.

Together with 1011020000203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1011020000203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505510000100 + 505510000101.

It is an arithmetic number, because the mean of its divisors is an integer number (505510000101).

Almost surely, 2^{1011020000201} is an apocalyptic number.

It is an amenable number.

1011020000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011020000201 is an equidigital number, since it uses as much as digits as its factorization.

1011020000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1011020000201 its reverse (1020000201101), we get a palindrome (2031020201302).

It can be divided in two parts, 101 and 1020000201, that multiplied together give a palindrome (103020020301).

The spelling of 1011020000201 in words is "one trillion, eleven billion, twenty million, two hundred one", and thus it is an aban number.