1020011112102 has 16 divisors (see below), whose sum is σ = 2040242711472. Its totient is φ = 339966956160.

The previous prime is 1020011112031. The next prime is 1020011112103. The reversal of 1020011112102 is 2012111100201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020011112103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9126799 + ... + 9237882.

It is an arithmetic number, because the mean of its divisors is an integer number (127515169467).

Almost surely, 2^{1020011112102} is an apocalyptic number.

1020011112102 is an abundant number, since it is smaller than the sum of its proper divisors (1020231599370).

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

1020011112102 is a wasteful number, since it uses less digits than its factorization.

1020011112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18373943.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020011112102 its reverse (2012111100201), we get a palindrome (3032122212303).

The spelling of 1020011112102 in words is "one trillion, twenty billion, eleven million, one hundred twelve thousand, one hundred two".