211101221021102 has 32 divisors (see below), whose sum is σ = 334232160199680. Its totient is φ = 99720992535840.

The previous prime is 211101221021101. The next prime is 211101221021111. The reversal of 211101221021102 is 201120122101112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211101221021101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1007870327 + ... + 1008079757.

It is an arithmetic number, because the mean of its divisors is an integer number (10444755006240).

Almost surely, 2^{211101221021102} is an apocalyptic number.

211101221021102 is a deficient number, since it is larger than the sum of its proper divisors (123130939178578).

211101221021102 is a wasteful number, since it uses less digits than its factorization.

211101221021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282096.

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

Adding to 211101221021102 its reverse (201120122101112), we get a palindrome (412221343122214).

The spelling of 211101221021102 in words is "two hundred eleven trillion, one hundred one billion, two hundred twenty-one million, twenty-one thousand, one hundred two".