101020221201111 has 8 divisors (see below), whose sum is σ = 134693771562480. Its totient is φ = 67346742486912.

The previous prime is 101020221201101. The next prime is 101020221201169. The reversal of 101020221201111 is 111102122020101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101020221201111 - 2⁵ = 101020221201079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101020221201101) 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, 14530690 + ... + 20326863.

It is an arithmetic number, because the mean of its divisors is an integer number (16836721445310).

Almost surely, 2^{101020221201111} is an apocalyptic number.

101020221201111 is a deficient number, since it is larger than the sum of its proper divisors (33673550361369).

101020221201111 is an equidigital number, since it uses as much as digits as its factorization.

101020221201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35823585.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101020221201111 its reverse (111102122020101), we get a palindrome (212122343221212).

The spelling of 101020221201111 in words is "one hundred one trillion, twenty billion, two hundred twenty-one million, two hundred one thousand, one hundred eleven".