101120001222221 has 8 divisors (see below), whose sum is σ = 107070098806080. Its totient is φ = 95170110551488.

The previous prime is 101120001222131. The next prime is 101120001222241. The reversal of 101120001222221 is 122222100021101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101120001222221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 101120001222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120001222241) 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, 50721551 + ... + 52677468.

It is an arithmetic number, because the mean of its divisors is an integer number (13383762350760).

Almost surely, 2^{101120001222221} is an apocalyptic number.

It is an amenable number.

101120001222221 is a deficient number, since it is larger than the sum of its proper divisors (5950097583859).

101120001222221 is a wasteful number, since it uses less digits than its factorization.

101120001222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103456563.

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

Adding to 101120001222221 its reverse (122222100021101), we get a palindrome (223342101243322).

The spelling of 101120001222221 in words is "one hundred one trillion, one hundred twenty billion, one million, two hundred twenty-two thousand, two hundred twenty-one".