101101210221111 has 4 divisors (see below), whose sum is σ = 134801613628152. Its totient is φ = 67400806814072.

The previous prime is 101101210221103. The next prime is 101101210221149. The reversal of 101101210221111 is 111122012101101.

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 101101210221111 - 2³ = 101101210221103 is a prime.

It is a super-4 number, since 4×101101210221111⁴ (a number of 57 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101101210421111) 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, 16850201703516 + ... + 16850201703521.

It is an arithmetic number, because the mean of its divisors is an integer number (33700403407038).

Almost surely, 2^{101101210221111} is an apocalyptic number.

101101210221111 is a deficient number, since it is larger than the sum of its proper divisors (33700403407041).

101101210221111 is an equidigital number, since it uses as much as digits as its factorization.

101101210221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33700403407040.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 101101210221111 its reverse (111122012101101), we get a palindrome (212223222322212).

The spelling of 101101210221111 in words is "one hundred one trillion, one hundred one billion, two hundred ten million, two hundred twenty-one thousand, one hundred eleven".