1121240402141 has 16 divisors (see below), whose sum is σ = 1209925102464. Its totient is φ = 1035272699904.

The previous prime is 1121240402137. The next prime is 1121240402159. The reversal of 1121240402141 is 1412040421211.

It is not a de Polignac number, because 1121240402141 - 2² = 1121240402137 is a prime.

It is a super-2 number, since 2×1121240402141² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121240402171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2804900 + ... + 3179613.

It is an arithmetic number, because the mean of its divisors is an integer number (75620318904).

Almost surely, 2^{1121240402141} is an apocalyptic number.

It is an amenable number.

1121240402141 is a deficient number, since it is larger than the sum of its proper divisors (88684700323).

1121240402141 is a wasteful number, since it uses less digits than its factorization.

1121240402141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5984740.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 1121240402141 its reverse (1412040421211), we get a palindrome (2533280823352).

The spelling of 1121240402141 in words is "one trillion, one hundred twenty-one billion, two hundred forty million, four hundred two thousand, one hundred forty-one".