1021202010061 has 2 divisors, whose sum is σ = 1021202010062. Its totient is φ = 1021202010060.

The previous prime is 1021202009969. The next prime is 1021202010067. The reversal of 1021202010061 is 1600102021201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1007752969161 + 13449040900 = 1003869^2 + 115970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1021202010061 - 2¹⁷ = 1021201878989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021202010067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510601005030 + 510601005031.

It is an arithmetic number, because the mean of its divisors is an integer number (510601005031).

Almost surely, 2^{1021202010061} is an apocalyptic number.

It is an amenable number.

1021202010061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021202010061 is an equidigital number, since it uses as much as digits as its factorization.

1021202010061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1021202010061 its reverse (1600102021201), we get a palindrome (2621304031262).

The spelling of 1021202010061 in words is "one trillion, twenty-one billion, two hundred two million, ten thousand, sixty-one".