1121210141 has 4 divisors (see below), whose sum is σ = 1169958432. Its totient is φ = 1072461852.

The previous prime is 1121210137. The next prime is 1121210143. The reversal of 1121210141 is 1410121211.

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 1121210141 - 2² = 1121210137 is a prime.

It is a super-2 number, since 2×1121210141² = 2514224360562479762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121210143) 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, 24374111 + ... + 24374156.

It is an arithmetic number, because the mean of its divisors is an integer number (292489608).

Almost surely, 2^1121210141 is an apocalyptic number.

It is an amenable number.

1121210141 is a deficient number, since it is larger than the sum of its proper divisors (48748291).

1121210141 is an equidigital number, since it uses as much as digits as its factorization.

1121210141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48748290.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1121210141 is about 33484.4761195393. The cubic root of 1121210141 is about 1038.8727125272.

Adding to 1121210141 its reverse (1410121211), we get a palindrome (2531331352).

The spelling of 1121210141 in words is "one billion, one hundred twenty-one million, two hundred ten thousand, one hundred forty-one".