101210221022111 has 4 divisors (see below), whose sum is σ = 101317095596472. Its totient is φ = 101103346447752.

The previous prime is 101210221022033. The next prime is 101210221022123. The reversal of 101210221022111 is 111220122012101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101210221022111 - 2³⁴ = 101193041152927 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 101210221022111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210221022161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53437285760 + ... + 53437287653.

It is an arithmetic number, because the mean of its divisors is an integer number (25329273899118).

Almost surely, 2^{101210221022111} is an apocalyptic number.

101210221022111 is a deficient number, since it is larger than the sum of its proper divisors (106874574361).

101210221022111 is an equidigital number, since it uses as much as digits as its factorization.

101210221022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106874574360.

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

Adding to 101210221022111 its reverse (111220122012101), we get a palindrome (212430343034212).

The spelling of 101210221022111 in words is "one hundred one trillion, two hundred ten billion, two hundred twenty-one million, twenty-two thousand, one hundred eleven".