101000221212111 has 8 divisors (see below), whose sum is σ = 145025958663600. Its totient is φ = 62153982284352.

The previous prime is 101000221212053. The next prime is 101000221212193. The reversal of 101000221212111 is 111212122000101.

It is a happy number.

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

It is not a de Polignac number, because 101000221212111 - 2⁶ = 101000221212047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000221212311) 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, 1294874630886 + ... + 1294874630963.

It is an arithmetic number, because the mean of its divisors is an integer number (18128244832950).

Almost surely, 2^{101000221212111} is an apocalyptic number.

101000221212111 is a deficient number, since it is larger than the sum of its proper divisors (44025737451489).

101000221212111 is a wasteful number, since it uses less digits than its factorization.

101000221212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589749261865.

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

Adding to 101000221212111 its reverse (111212122000101), we get a palindrome (212212343212212).

The spelling of 101000221212111 in words is "one hundred one trillion, two hundred twenty-one million, two hundred twelve thousand, one hundred eleven".