201102102021212 has 24 divisors (see below), whose sum is σ = 404671714505856. Its totient is φ = 85657862909808.

The previous prime is 201102102021211. The next prime is 201102102021287. The reversal of 201102102021212 is 212120201201102.

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 7 ways as a sum of consecutive naturals, for example, 22031338778 + ... + 22031347905.

It is an arithmetic number, because the mean of its divisors is an integer number (16861321437744).

Almost surely, 2^{201102102021212} is an apocalyptic number.

It is an amenable number.

201102102021212 is an abundant number, since it is smaller than the sum of its proper divisors (203569612484644).

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

201102102021212 is a wasteful number, since it uses less digits than its factorization.

201102102021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44062686857 (or 44062686855 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201102102021212 its reverse (212120201201102), we get a palindrome (413222303222314).

The spelling of 201102102021212 in words is "two hundred one trillion, one hundred two billion, one hundred two million, twenty-one thousand, two hundred twelve".