202120023030011 has 2 divisors, whose sum is σ = 202120023030012. Its totient is φ = 202120023030010.

The previous prime is 202120023029999. The next prime is 202120023030043. The reversal of 202120023030011 is 110030320021202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 202120023030011 - 2⁴² = 197721976518907 is a prime.

It is not a weakly prime, because it can be changed into another prime (202120023030061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101060011515005 + 101060011515006.

It is an arithmetic number, because the mean of its divisors is an integer number (101060011515006).

Almost surely, 2^{202120023030011} is an apocalyptic number.

202120023030011 is a deficient number, since it is larger than the sum of its proper divisors (1).

202120023030011 is an equidigital number, since it uses as much as digits as its factorization.

202120023030011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 202120023030011 its reverse (110030320021202), we get a palindrome (312150343051213).

The spelling of 202120023030011 in words is "two hundred two trillion, one hundred twenty billion, twenty-three million, thirty thousand, eleven".