10101011211 has 24 divisors (see below), whose sum is σ = 15773360720. Its totient is φ = 6207160896.

The previous prime is 10101011203. The next prime is 10101011267. The reversal of 10101011211 is 11211010101.

It is not a de Polignac number, because 10101011211 - 2³ = 10101011203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10101011193 and 10101011202.

It is not an unprimeable number, because it can be changed into a prime (10101011311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 791920 + ... + 804573.

Almost surely, 2^10101011211 is an apocalyptic number.

10101011211 is a deficient number, since it is larger than the sum of its proper divisors (5672349509).

10101011211 is a wasteful number, since it uses less digits than its factorization.

10101011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596555 (or 1596552 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 10101011211 its reverse (11211010101), we get a palindrome (21312021312).

The spelling of 10101011211 in words is "ten billion, one hundred one million, eleven thousand, two hundred eleven".