101022122221211 has 4 divisors (see below), whose sum is σ = 101022369756552. Its totient is φ = 101021874685872.

The previous prime is 101022122221201. The next prime is 101022122221219. The reversal of 101022122221211 is 112122221220101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101022122221211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101022122221219) 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, 123154490 + ... + 123972063.

It is an arithmetic number, because the mean of its divisors is an integer number (25255592439138).

Almost surely, 2^{101022122221211} is an apocalyptic number.

101022122221211 is a deficient number, since it is larger than the sum of its proper divisors (247535341).

101022122221211 is an equidigital number, since it uses as much as digits as its factorization.

101022122221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247535340.

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

Adding to 101022122221211 its reverse (112122221220101), we get a palindrome (213144343441312).

The spelling of 101022122221211 in words is "one hundred one trillion, twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred eleven".