101201012221101 has 16 divisors (see below), whose sum is σ = 145318700849280. Its totient is φ = 62275648743360.

The previous prime is 101201012221069. The next prime is 101201012221103. The reversal of 101201012221101 is 101122210102101.

It is a happy number.

It is not a de Polignac number, because 101201012221101 - 2⁵ = 101201012221069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201012221103) 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, 38228670 + ... + 40790111.

It is an arithmetic number, because the mean of its divisors is an integer number (9082418803080).

Almost surely, 2^{101201012221101} is an apocalyptic number.

It is an amenable number.

101201012221101 is a deficient number, since it is larger than the sum of its proper divisors (44117688628179).

101201012221101 is a wasteful number, since it uses less digits than its factorization.

101201012221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79051636.

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

Adding to 101201012221101 its reverse (101122210102101), we get a palindrome (202323222323202).

The spelling of 101201012221101 in words is "one hundred one trillion, two hundred one billion, twelve million, two hundred twenty-one thousand, one hundred one".