23111021031011 has 2 divisors, whose sum is σ = 23111021031012. Its totient is φ = 23111021031010.

The previous prime is 23111021030989. The next prime is 23111021031037. The reversal of 23111021031011 is 11013012011132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23111021031011 - 2³⁴ = 23093841161827 is a prime.

It is not a weakly prime, because it can be changed into another prime (23111021031041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11555510515505 + 11555510515506.

It is an arithmetic number, because the mean of its divisors is an integer number (11555510515506).

Almost surely, 2^{23111021031011} is an apocalyptic number.

23111021031011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23111021031011 is an equidigital number, since it uses as much as digits as its factorization.

23111021031011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 23111021031011 its reverse (11013012011132), we get a palindrome (34124033042143).

The spelling of 23111021031011 in words is "twenty-three trillion, one hundred eleven billion, twenty-one million, thirty-one thousand, eleven".