101120100012221 has 16 divisors (see below), whose sum is σ = 108032243328960. Its totient is φ = 94366995528960.

The previous prime is 101120100012199. The next prime is 101120100012223. The reversal of 101120100012221 is 122210001021101.

It is a cyclic number.

It is not a de Polignac number, because 101120100012221 - 2¹⁰ = 101120100011197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101120100012196 and 101120100012205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120100012223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112003391 + ... + 112902611.

It is an arithmetic number, because the mean of its divisors is an integer number (6752015208060).

Almost surely, 2^{101120100012221} is an apocalyptic number.

It is an amenable number.

101120100012221 is a deficient number, since it is larger than the sum of its proper divisors (6912143316739).

101120100012221 is an equidigital number, since it uses as much as digits as its factorization.

101120100012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987644.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 101120100012221 its reverse (122210001021101), we get a palindrome (223330101033322).

The spelling of 101120100012221 in words is "one hundred one trillion, one hundred twenty billion, one hundred million, twelve thousand, two hundred twenty-one".