201102102021213 has 6 divisors (see below), whose sum is σ = 290480814030654. Its totient is φ = 134068068014136.

The previous prime is 201102102021211. The next prime is 201102102021287. The reversal of 201102102021213 is 312120201201102.

201102102021213 is a `hidden beast` number, since 20 + 110 + 210 + 202 + 121 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 194794555161924 + 6307546859289 = 13956882^2 + 2511483^2 .

It is not a de Polignac number, because 201102102021213 - 2¹ = 201102102021211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201102102021211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11172339001170 + ... + 11172339001187.

It is an arithmetic number, because the mean of its divisors is an integer number (48413469005109).

Almost surely, 2^{201102102021213} is an apocalyptic number.

It is an amenable number.

201102102021213 is a deficient number, since it is larger than the sum of its proper divisors (89378712009441).

201102102021213 is a wasteful number, since it uses less digits than its factorization.

201102102021213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22344678002363 (or 22344678002360 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 201102102021213 its reverse (312120201201102), we get a palindrome (513222303222315).

The spelling of 201102102021213 in words is "two hundred one trillion, one hundred two billion, one hundred two million, twenty-one thousand, two hundred thirteen".