1020200122112 has 18 divisors (see below), whose sum is σ = 2036415088008. Its totient is φ = 510100060928.

The previous prime is 1020200122099. The next prime is 1020200122189. The reversal of 1020200122112 is 2112210020201.

It is a super-2 number, since 2×1020200122112² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1992578108 + ... + 1992578619.

It is an arithmetic number, because the mean of its divisors is an integer number (113134171556).

Almost surely, 2^{1020200122112} is an apocalyptic number.

It is an amenable number.

1020200122112 is a deficient number, since it is larger than the sum of its proper divisors (1016214965896).

1020200122112 is an frugal number, since it uses more digits than its factorization.

1020200122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985156743 (or 3985156729 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1020200122112 its reverse (2112210020201), we get a palindrome (3132410142313).

The spelling of 1020200122112 in words is "one trillion, twenty billion, two hundred million, one hundred twenty-two thousand, one hundred twelve".