101021212001101 has 16 divisors (see below), whose sum is σ = 117355261838080. Its totient is φ = 85163010785280.

The previous prime is 101021212001081. The next prime is 101021212001117. The reversal of 101021212001101 is 101100212120101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 101021212001101 - 2¹⁹ = 101021211476813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021212001141) 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, 4724916 + ... + 14978893.

It is an arithmetic number, because the mean of its divisors is an integer number (7334703864880).

Almost surely, 2^{101021212001101} is an apocalyptic number.

It is an amenable number.

101021212001101 is a deficient number, since it is larger than the sum of its proper divisors (16334049836979).

101021212001101 is a wasteful number, since it uses less digits than its factorization.

101021212001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19715884.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101021212001101 its reverse (101100212120101), we get a palindrome (202121424121202).

The spelling of 101021212001101 in words is "one hundred one trillion, twenty-one billion, two hundred twelve million, one thousand, one hundred one".