1051101121 has 4 divisors (see below), whose sum is σ = 1201258432. Its totient is φ = 900943812.

The previous prime is 1051101113. The next prime is 1051101157. The reversal of 1051101121 is 1211011501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1051101121 - 2³ = 1051101113 is a prime.

It is a super-2 number, since 2×1051101121² = 2209627133134913282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051101101) 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, 75078645 + ... + 75078658.

It is an arithmetic number, because the mean of its divisors is an integer number (300314608).

Almost surely, 2^1051101121 is an apocalyptic number.

It is an amenable number.

1051101121 is a deficient number, since it is larger than the sum of its proper divisors (150157311).

1051101121 is an equidigital number, since it uses as much as digits as its factorization.

1051101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150157310.

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 1051101121 is about 32420.6897058036. The cubic root of 1051101121 is about 1016.7515264590.

Adding to 1051101121 its reverse (1211011501), we get a palindrome (2262112622).

The spelling of 1051101121 in words is "one billion, fifty-one million, one hundred one thousand, one hundred twenty-one".