2002220010061 has 2 divisors, whose sum is σ = 2002220010062. Its totient is φ = 2002220010060.

The previous prime is 2002220009989. The next prime is 2002220010071. The reversal of 2002220010061 is 1600100222002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1430729369161 + 571490640900 = 1196131^2 + 755970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002220010061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002220010071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001110005030 + 1001110005031.

It is an arithmetic number, because the mean of its divisors is an integer number (1001110005031).

Almost surely, 2^{2002220010061} is an apocalyptic number.

It is an amenable number.

2002220010061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002220010061 is an equidigital number, since it uses as much as digits as its factorization.

2002220010061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 2002220010061 its reverse (1600100222002), we get a palindrome (3602320232063).

The spelling of 2002220010061 in words is "two trillion, two billion, two hundred twenty million, ten thousand, sixty-one".