1020112102002 has 32 divisors (see below), whose sum is σ = 2345989635072. Its totient is φ = 289672496784.

The previous prime is 1020112101979. The next prime is 1020112102007. The reversal of 1020112102002 is 2002012110201.

It is not an unprimeable number, because it can be changed into a prime (1020112102007) 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, 74497398 + ... + 74511089.

It is an arithmetic number, because the mean of its divisors is an integer number (73312176096).

Almost surely, 2^{1020112102002} is an apocalyptic number.

1020112102002 is an abundant number, since it is smaller than the sum of its proper divisors (1325877533070).

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

1020112102002 is a wasteful number, since it uses less digits than its factorization.

1020112102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149008662.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1020112102002 its reverse (2002012110201), we get a palindrome (3022124212203).

The spelling of 1020112102002 in words is "one trillion, twenty billion, one hundred twelve million, one hundred two thousand, two".