201102101011212 has 12 divisors (see below), whose sum is σ = 469238235692856. Its totient is φ = 67034033670400.

The previous prime is 201102101011171. The next prime is 201102101011291. The reversal of 201102101011212 is 212110101201102.

It is a happy number.

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

It is a super-2 number, since 2×201102101011212² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201102101011191 and 201102101011200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8379254208789 + ... + 8379254208812.

It is an arithmetic number, because the mean of its divisors is an integer number (39103186307738).

Almost surely, 2^{201102101011212} is an apocalyptic number.

It is an amenable number.

201102101011212 is an abundant number, since it is smaller than the sum of its proper divisors (268136134681644).

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

201102101011212 is a wasteful number, since it uses less digits than its factorization.

201102101011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16758508417608 (or 16758508417606 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201102101011212 its reverse (212110101201102), we get a palindrome (413212202212314).

The spelling of 201102101011212 in words is "two hundred one trillion, one hundred two billion, one hundred one million, eleven thousand, two hundred twelve".