20101102220111 has 8 divisors (see below), whose sum is σ = 21933245375184. Its totient is φ = 18269754102720.

The previous prime is 20101102220081. The next prime is 20101102220209. The reversal of 20101102220111 is 11102220110102.

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 20101102220111 - 2¹⁴ = 20101102203727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101102222111) 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, 198706550 + ... + 198807683.

It is an arithmetic number, because the mean of its divisors is an integer number (2741655671898).

Almost surely, 2^{20101102220111} is an apocalyptic number.

20101102220111 is a deficient number, since it is larger than the sum of its proper divisors (1832143155073).

20101102220111 is a wasteful number, since it uses less digits than its factorization.

20101102220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397518841.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20101102220111 its reverse (11102220110102), we get a palindrome (31203322330213).

The spelling of 20101102220111 in words is "twenty trillion, one hundred one billion, one hundred two million, two hundred twenty thousand, one hundred eleven".