1011140121 has 8 divisors (see below), whose sum is σ = 1348350624. Its totient is φ = 674011520.

The previous prime is 1011140083. The next prime is 1011140183. The reversal of 1011140121 is 1210411101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011140121 - 2¹⁵ = 1011107353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011140097 and 1011140106.

It is not an unprimeable number, because it can be changed into a prime (1011140021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19465 + ... + 49001.

It is an arithmetic number, because the mean of its divisors is an integer number (168543828).

Almost surely, 2^1011140121 is an apocalyptic number.

It is an amenable number.

1011140121 is a deficient number, since it is larger than the sum of its proper divisors (337210503).

1011140121 is a wasteful number, since it uses less digits than its factorization.

1011140121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40951.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1011140121 is about 31798.4295366925. The cubic root of 1011140121 is about 1003.6996692344.

Adding to 1011140121 its reverse (1210411101), we get a palindrome (2221551222).

The spelling of 1011140121 in words is "one billion, eleven million, one hundred forty thousand, one hundred twenty-one".