20001121000102 has 32 divisors (see below), whose sum is σ = 33000658790400. Its totient is φ = 9091125723240.

The previous prime is 20001121000057. The next prime is 20001121000129. The reversal of 20001121000102 is 20100012110002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97217299 + ... + 97422817.

It is an arithmetic number, because the mean of its divisors is an integer number (1031270587200).

Almost surely, 2^{20001121000102} is an apocalyptic number.

20001121000102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20001121000102 is a deficient number, since it is larger than the sum of its proper divisors (12999537790298).

20001121000102 is a wasteful number, since it uses less digits than its factorization.

20001121000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242113 (or 242091 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20001121000102 its reverse (20100012110002), we get a palindrome (40101133110104).

The spelling of 20001121000102 in words is "twenty trillion, one billion, one hundred twenty-one million, one hundred two", and thus it is an aban number.