101220110221211 has 32 divisors (see below), whose sum is σ = 107200810752000. Its totient is φ = 95306287143168.

The previous prime is 101220110221171. The next prime is 101220110221231. The reversal of 101220110221211 is 112122011022101.

It is a cyclic number.

It is not a de Polignac number, because 101220110221211 - 2²⁶ = 101220043112347 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 101220110221211.

It is not an unprimeable number, because it can be changed into a prime (101220110221231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7151841311 + ... + 7151855463.

It is an arithmetic number, because the mean of its divisors is an integer number (3350025336000).

Almost surely, 2^{101220110221211} is an apocalyptic number.

101220110221211 is a deficient number, since it is larger than the sum of its proper divisors (5980700530789).

101220110221211 is a wasteful number, since it uses less digits than its factorization.

101220110221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17043.

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

Adding to 101220110221211 its reverse (112122011022101), we get a palindrome (213342121243312).

The spelling of 101220110221211 in words is "one hundred one trillion, two hundred twenty billion, one hundred ten million, two hundred twenty-one thousand, two hundred eleven".