101221212212102 has 8 divisors (see below), whose sum is σ = 151844427923112. Its totient is φ = 50606402904400.

The previous prime is 101221212212027. The next prime is 101221212212147. The reversal of 101221212212102 is 201212212122101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 2101570724 + ... + 2101618887.

It is an arithmetic number, because the mean of its divisors is an integer number (18980553490389).

Almost surely, 2^{101221212212102} is an apocalyptic number.

101221212212102 is a deficient number, since it is larger than the sum of its proper divisors (50623215711010).

101221212212102 is a wasteful number, since it uses less digits than its factorization.

101221212212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203201654.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101221212212102 its reverse (201212212122101), we get a palindrome (302433424334203).

Subtracting 101221212212102 from its reverse (201212212122101), we obtain a palindrome (99990999909999).

The spelling of 101221212212102 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twelve million, two hundred twelve thousand, one hundred two".