1010021111201 has 2 divisors, whose sum is σ = 1010021111202. Its totient is φ = 1010021111200.

The previous prime is 1010021111149. The next prime is 1010021111261. The reversal of 1010021111201 is 1021111200101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 687083499025 + 322937612176 = 828905^2 + 568276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010021111201 - 2⁶ = 1010021111137 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010021111261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505010555600 + 505010555601.

It is an arithmetic number, because the mean of its divisors is an integer number (505010555601).

Almost surely, 2^{1010021111201} is an apocalyptic number.

It is an amenable number.

1010021111201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010021111201 is an equidigital number, since it uses as much as digits as its factorization.

1010021111201 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 11.

Adding to 1010021111201 its reverse (1021111200101), we get a palindrome (2031132311302).

The spelling of 1010021111201 in words is "one trillion, ten billion, twenty-one million, one hundred eleven thousand, two hundred one".