1022120020142 has 16 divisors (see below), whose sum is σ = 1679101991280. Its totient is φ = 463751977152.

The previous prime is 1022120020093. The next prime is 1022120020177. The reversal of 1022120020142 is 2410200212201.

It is a self number, because there is not a number n which added to its sum of digits gives 1022120020142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333153623 + ... + 333156690.

It is an arithmetic number, because the mean of its divisors is an integer number (104943874455).

Almost surely, 2^{1022120020142} is an apocalyptic number.

1022120020142 is a deficient number, since it is larger than the sum of its proper divisors (656981971138).

1022120020142 is a wasteful number, since it uses less digits than its factorization.

1022120020142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666310387.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1022120020142 its reverse (2410200212201), we get a palindrome (3432320232343).

The spelling of 1022120020142 in words is "one trillion, twenty-two billion, one hundred twenty million, twenty thousand, one hundred forty-two".