10101011121 has 12 divisors (see below), whose sum is σ = 15130733072. Its totient is φ = 6734007252.

The previous prime is 10101011119. The next prime is 10101011171. The reversal of 10101011121 is 12111010101.

10101011121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10101011121 - 2¹ = 10101011119 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10101011171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20783731 + ... + 20784216.

Almost surely, 2^10101011121 is an apocalyptic number.

It is an amenable number.

10101011121 is a deficient number, since it is larger than the sum of its proper divisors (5029721951).

10101011121 is an frugal number, since it uses more digits than its factorization.

10101011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41567962 (or 41567950 counting only the distinct ones).

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

Adding to 10101011121 its reverse (12111010101), we get a palindrome (22212021222).

The spelling of 10101011121 in words is "ten billion, one hundred one million, eleven thousand, one hundred twenty-one".