1142121423411 has 24 divisors (see below), whose sum is σ = 1706683564560. Its totient is φ = 735130468800.

The previous prime is 1142121423409. The next prime is 1142121423419. The reversal of 1142121423411 is 1143241212411.

1142121423411 is a `hidden beast` number, since 1 + 1 + 4 + 212 + 14 + 23 + 411 = 666.

It is not a de Polignac number, because 1142121423411 - 2¹ = 1142121423409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142121423419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8381241 + ... + 8516421.

It is an arithmetic number, because the mean of its divisors is an integer number (71111815190).

Almost surely, 2^{1142121423411} is an apocalyptic number.

1142121423411 is a deficient number, since it is larger than the sum of its proper divisors (564562141149).

1142121423411 is a wasteful number, since it uses less digits than its factorization.

1142121423411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167587 (or 167584 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

Adding to 1142121423411 its reverse (1143241212411), we get a palindrome (2285362635822).

The spelling of 1142121423411 in words is "one trillion, one hundred forty-two billion, one hundred twenty-one million, four hundred twenty-three thousand, four hundred eleven".