101021011011221 has 8 divisors (see below), whose sum is σ = 115452662358144. Its totient is φ = 86589379250640.

The previous prime is 101021011011209. The next prime is 101021011011233. The reversal of 101021011011221 is 122110110120101.

It is an interprime number because it is at equal distance from previous prime (101021011011209) and next prime (101021011011233).

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

It is not a de Polignac number, because 101021011011221 - 2¹⁰ = 101021011010197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101021011011196 and 101021011011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021011211221) 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, 8656616 + ... + 16642686.

It is an arithmetic number, because the mean of its divisors is an integer number (14431582794768).

Almost surely, 2^{101021011011221} is an apocalyptic number.

It is an amenable number.

101021011011221 is a deficient number, since it is larger than the sum of its proper divisors (14431651346923).

101021011011221 is an equidigital number, since it uses as much as digits as its factorization.

101021011011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9793171.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101021011011221 its reverse (122110110120101), we get a palindrome (223131121131322).

The spelling of 101021011011221 in words is "one hundred one trillion, twenty-one billion, eleven million, eleven thousand, two hundred twenty-one".