201022031011 has 2 divisors, whose sum is σ = 201022031012. Its totient is φ = 201022031010.

The previous prime is 201022030999. The next prime is 201022031033. The reversal of 201022031011 is 110130220102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201022031011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201022030982 and 201022031000.

It is not a weakly prime, because it can be changed into another prime (201022031411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100511015505 + 100511015506.

It is an arithmetic number, because the mean of its divisors is an integer number (100511015506).

Almost surely, 2^201022031011 is an apocalyptic number.

201022031011 is a deficient number, since it is larger than the sum of its proper divisors (1).

201022031011 is an equidigital number, since it uses as much as digits as its factorization.

201022031011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 201022031011 its reverse (110130220102), we get a palindrome (311152251113).

The spelling of 201022031011 in words is "two hundred one billion, twenty-two million, thirty-one thousand, eleven".