201100102001012 has 6 divisors (see below), whose sum is σ = 351925178501778. Its totient is φ = 100550051000504.

The previous prime is 201100102000927. The next prime is 201100102001023. The reversal of 201100102001012 is 210100201001102.

It can be written as a sum of positive squares in only one way, i.e., 172035646807696 + 29064455193316 = 13116236^2 + 5391146^2 .

It is a junction number, because it is equal to n+sod(n) for n = 201100102000984 and 201100102001002.

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, 25137512750123 + ... + 25137512750130.

It is an arithmetic number, because the mean of its divisors is an integer number (58654196416963).

Almost surely, 2^{201100102001012} is an apocalyptic number.

It is an amenable number.

201100102001012 is a deficient number, since it is larger than the sum of its proper divisors (150825076500766).

201100102001012 is a wasteful number, since it uses less digits than its factorization.

201100102001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50275025500257 (or 50275025500255 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201100102001012 its reverse (210100201001102), we get a palindrome (411200303002114).

The spelling of 201100102001012 in words is "two hundred one trillion, one hundred billion, one hundred two million, one thousand, twelve".