101221002212111 has 8 divisors (see below), whose sum is σ = 105630305670240. Its totient is φ = 96812397947232.

The previous prime is 101221002212059. The next prime is 101221002212119. The reversal of 101221002212111 is 111212200122101.

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

It is a cyclic number.

It is not a de Polignac number, because 101221002212111 - 2²² = 101220998017807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101221002212111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221002212119) 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, 174502460 + ... + 175081553.

It is an arithmetic number, because the mean of its divisors is an integer number (13203788208780).

Almost surely, 2^{101221002212111} is an apocalyptic number.

101221002212111 is a deficient number, since it is larger than the sum of its proper divisors (4409303458129).

101221002212111 is a wasteful number, since it uses less digits than its factorization.

101221002212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349596625.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 101221002212111 its reverse (111212200122101), we get a palindrome (212433202334212).

The spelling of 101221002212111 in words is "one hundred one trillion, two hundred twenty-one billion, two million, two hundred twelve thousand, one hundred eleven".