1142110200121 has 16 divisors (see below), whose sum is σ = 1289911573440. Its totient is φ = 1001693788480.

The previous prime is 1142110200071. The next prime is 1142110200181. The reversal of 1142110200121 is 1210020112411.

It is not a de Polignac number, because 1142110200121 - 2⁹ = 1142110199609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142110200095 and 1142110200104.

It is not an unprimeable number, because it can be changed into a prime (1142110200181) 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, 994471 + ... + 1809196.

It is an arithmetic number, because the mean of its divisors is an integer number (80619473340).

Almost surely, 2^{1142110200121} is an apocalyptic number.

1142110200121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1142110200121 is a deficient number, since it is larger than the sum of its proper divisors (147801373319).

1142110200121 is a wasteful number, since it uses less digits than its factorization.

1142110200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804984.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1142110200121 its reverse (1210020112411), we get a palindrome (2352130312532).

The spelling of 1142110200121 in words is "one trillion, one hundred forty-two billion, one hundred ten million, two hundred thousand, one hundred twenty-one".