201142020011 has 2 divisors, whose sum is σ = 201142020012. Its totient is φ = 201142020010.

The previous prime is 201142019983. The next prime is 201142020097. The reversal of 201142020011 is 110020241102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201142020011 - 2¹⁴ = 201142003627 is a prime.

It is a super-2 number, since 2×201142020011² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (201142020811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100571010005 + 100571010006.

It is an arithmetic number, because the mean of its divisors is an integer number (100571010006).

Almost surely, 2^201142020011 is an apocalyptic number.

201142020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

201142020011 is an equidigital number, since it uses as much as digits as its factorization.

201142020011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201142020011 its reverse (110020241102), we get a palindrome (311162261113).

The spelling of 201142020011 in words is "two hundred one billion, one hundred forty-two million, twenty thousand, eleven".