142111031240121 has 16 divisors (see below), whose sum is σ = 192314391663168. Its totient is φ = 93324251750400.

The previous prime is 142111031240111. The next prime is 142111031240131. The reversal of 142111031240121 is 121042130111241.

142111031240121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142111031240111) and next prime (142111031240131).

It is not a de Polignac number, because 142111031240121 - 2⁷ = 142111031239993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142111031240091 and 142111031240100.

It is not an unprimeable number, because it can be changed into a prime (142111031240111) 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, 1207600 + ... + 16902081.

It is an arithmetic number, because the mean of its divisors is an integer number (12019649478948).

Almost surely, 2^{142111031240121} is an apocalyptic number.

It is an amenable number.

142111031240121 is a deficient number, since it is larger than the sum of its proper divisors (50203360423047).

142111031240121 is a wasteful number, since it uses less digits than its factorization.

142111031240121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18148792.

The product of its (nonzero) digits is 384, while the sum is 24.

Adding to 142111031240121 its reverse (121042130111241), we get a palindrome (263153161351362).

The spelling of 142111031240121 in words is "one hundred forty-two trillion, one hundred eleven billion, thirty-one million, two hundred forty thousand, one hundred twenty-one".