10121211123101 has 16 divisors (see below), whose sum is σ = 11091903480000. Its totient is φ = 9178178314368.

The previous prime is 10121211123097. The next prime is 10121211123113. The reversal of 10121211123101 is 10132111212101.

It is a cyclic number.

It is not a de Polignac number, because 10121211123101 - 2² = 10121211123097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10121211123101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121211123151) 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, 3251816 + ... + 5551281.

It is an arithmetic number, because the mean of its divisors is an integer number (693243967500).

Almost surely, 2^{10121211123101} is an apocalyptic number.

It is an amenable number.

10121211123101 is a deficient number, since it is larger than the sum of its proper divisors (970692356899).

10121211123101 is a wasteful number, since it uses less digits than its factorization.

10121211123101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8804668.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 10121211123101 its reverse (10132111212101), we get a palindrome (20253322335202).

The spelling of 10121211123101 in words is "ten trillion, one hundred twenty-one billion, two hundred eleven million, one hundred twenty-three thousand, one hundred one".