101210221012101 has 16 divisors (see below), whose sum is σ = 142058796200640. Its totient is φ = 63918031409280.

The previous prime is 101210221012091. The next prime is 101210221012129. The reversal of 101210221012101 is 101210122012101.

It is a happy number.

It is not a de Polignac number, because 101210221012101 - 2¹¹ = 101210221010053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101210221012141) 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, 57647560 + ... + 59377281.

It is an arithmetic number, because the mean of its divisors is an integer number (8878674762540).

Almost surely, 2^{101210221012101} is an apocalyptic number.

It is an amenable number.

101210221012101 is a deficient number, since it is larger than the sum of its proper divisors (40848575188539).

101210221012101 is a wasteful number, since it uses less digits than its factorization.

101210221012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117040036.

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

Adding to 101210221012101 its reverse (101210122012101), we get a palindrome (202420343024202).

The spelling of 101210221012101 in words is "one hundred one trillion, two hundred ten billion, two hundred twenty-one million, twelve thousand, one hundred one".