20010212611 has 2 divisors, whose sum is σ = 20010212612. Its totient is φ = 20010212610.

The previous prime is 20010212603. The next prime is 20010212623. The reversal of 20010212611 is 11621201002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010212611 - 2³ = 20010212603 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010215611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005106305 + 10005106306.

It is an arithmetic number, because the mean of its divisors is an integer number (10005106306).

Almost surely, 2^20010212611 is an apocalyptic number.

20010212611 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010212611 is an equidigital number, since it uses as much as digits as its factorization.

20010212611 is an evil number, because the sum of its binary digits is even.

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

Adding to 20010212611 its reverse (11621201002), we get a palindrome (31631413613).

The spelling of 20010212611 in words is "twenty billion, ten million, two hundred twelve thousand, six hundred eleven".