20002001121102 has 64 divisors (see below), whose sum is σ = 53711667362304. Its totient is φ = 4795684583040.

The previous prime is 20002001121017. The next prime is 20002001121143. The reversal of 20002001121102 is 20112110020002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1665162253 + ... + 1665174264.

It is an arithmetic number, because the mean of its divisors is an integer number (839244802536).

Almost surely, 2^{20002001121102} is an apocalyptic number.

20002001121102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20002001121102 is an abundant number, since it is smaller than the sum of its proper divisors (33709666241202).

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

20002001121102 is a wasteful number, since it uses less digits than its factorization.

20002001121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330336553.

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

Adding to 20002001121102 its reverse (20112110020002), we get a palindrome (40114111141104).

The spelling of 20002001121102 in words is "twenty trillion, two billion, one million, one hundred twenty-one thousand, one hundred two".