20112261011 has 2 divisors, whose sum is σ = 20112261012. Its totient is φ = 20112261010.

The previous prime is 20112260999. The next prime is 20112261023. The reversal of 20112261011 is 11016221102.

It is a balanced prime because it is at equal distance from previous prime (20112260999) and next prime (20112261023).

It is a cyclic number.

It is not a de Polignac number, because 20112261011 - 2²² = 20108066707 is a prime.

It is not a weakly prime, because it can be changed into another prime (20112266011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056130505 + 10056130506.

It is an arithmetic number, because the mean of its divisors is an integer number (10056130506).

Almost surely, 2^20112261011 is an apocalyptic number.

20112261011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20112261011 is an equidigital number, since it uses as much as digits as its factorization.

20112261011 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 17.

Adding to 20112261011 its reverse (11016221102), we get a palindrome (31128482113).

The spelling of 20112261011 in words is "twenty billion, one hundred twelve million, two hundred sixty-one thousand, eleven".