10211231011 has 4 divisors (see below), whose sum is σ = 10363637512. Its totient is φ = 10058824512.

The previous prime is 10211231003. The next prime is 10211231057. The reversal of 10211231011 is 11013211201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11013211201 = 17 ⋅647835953.

It is a cyclic number.

It is not a de Polignac number, because 10211231011 - 2³ = 10211231003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211230982 and 10211231000.

It is not an unprimeable number, because it can be changed into a prime (10211231411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76203150 + ... + 76203283.

It is an arithmetic number, because the mean of its divisors is an integer number (2590909378).

Almost surely, 2^10211231011 is an apocalyptic number.

10211231011 is a deficient number, since it is larger than the sum of its proper divisors (152406501).

10211231011 is an equidigital number, since it uses as much as digits as its factorization.

10211231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152406500.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 10211231011 its reverse (11013211201), we get a palindrome (21224442212).

The spelling of 10211231011 in words is "ten billion, two hundred eleven million, two hundred thirty-one thousand, eleven".