101201211110121 has 16 divisors (see below), whose sum is σ = 134993195663040. Its totient is φ = 67438354636800.

The previous prime is 101201211110093. The next prime is 101201211110123. The reversal of 101201211110121 is 121011112102101.

It is not a de Polignac number, because 101201211110121 - 2¹³ = 101201211101929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101201211110121.

It is not an unprimeable number, because it can be changed into a prime (101201211110123) 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, 94335081 + ... + 95401833.

It is an arithmetic number, because the mean of its divisors is an integer number (8437074728940).

Almost surely, 2^{101201211110121} is an apocalyptic number.

It is an amenable number.

101201211110121 is a deficient number, since it is larger than the sum of its proper divisors (33791984552919).

101201211110121 is a wasteful number, since it uses less digits than its factorization.

101201211110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080376.

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

Adding to 101201211110121 its reverse (121011112102101), we get a palindrome (222212323212222).

The spelling of 101201211110121 in words is "one hundred one trillion, two hundred one billion, two hundred eleven million, one hundred ten thousand, one hundred twenty-one".