142001421411 has 16 divisors (see below), whose sum is σ = 191577713184. Its totient is φ = 93551345664.

The previous prime is 142001421407. The next prime is 142001421451. The reversal of 142001421411 is 114124100241.

It is not a de Polignac number, because 142001421411 - 2² = 142001421407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142001421451) 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, 507246 + ... + 735731.

It is an arithmetic number, because the mean of its divisors is an integer number (11973607074).

Almost surely, 2^142001421411 is an apocalyptic number.

142001421411 is a deficient number, since it is larger than the sum of its proper divisors (49576291773).

142001421411 is a wasteful number, since it uses less digits than its factorization.

142001421411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243430.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 142001421411 its reverse (114124100241), we get a palindrome (256125521652).

The spelling of 142001421411 in words is "one hundred forty-two billion, one million, four hundred twenty-one thousand, four hundred eleven".