1120201220142 has 48 divisors (see below), whose sum is σ = 2460187021968. Its totient is φ = 368341827840.

The previous prime is 1120201220113. The next prime is 1120201220143. The reversal of 1120201220142 is 2410221020211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120201220143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 875893 + ... + 1734240.

It is an arithmetic number, because the mean of its divisors is an integer number (51253896291).

Almost surely, 2^{1120201220142} is an apocalyptic number.

1120201220142 is an abundant number, since it is smaller than the sum of its proper divisors (1339985801826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120201220142 is a wasteful number, since it uses less digits than its factorization.

1120201220142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610465 (or 2610462 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1120201220142 its reverse (2410221020211), we get a palindrome (3530422240353).

The spelling of 1120201220142 in words is "one trillion, one hundred twenty billion, two hundred one million, two hundred twenty thousand, one hundred forty-two".