201102001221012 has 12 divisors (see below), whose sum is σ = 469238002849056. Its totient is φ = 67034000407000.

The previous prime is 201102001221007. The next prime is 201102001221019. The reversal of 201102001221012 is 210122100201102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 201102001220982 and 201102001221000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102001221019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8379250050864 + ... + 8379250050887.

It is an arithmetic number, because the mean of its divisors is an integer number (39103166904088).

Almost surely, 2^{201102001221012} is an apocalyptic number.

It is an amenable number.

201102001221012 is an abundant number, since it is smaller than the sum of its proper divisors (268136001628044).

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

201102001221012 is a wasteful number, since it uses less digits than its factorization.

201102001221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16758500101758 (or 16758500101756 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201102001221012 its reverse (210122100201102), we get a palindrome (411224101422114).

The spelling of 201102001221012 in words is "two hundred one trillion, one hundred two billion, one million, two hundred twenty-one thousand, twelve".