10120101021121 has 8 divisors (see below), whose sum is σ = 12455508949184. Its totient is φ = 8007112895760.

The previous prime is 10120101021067. The next prime is 10120101021137. The reversal of 10120101021121 is 12112010102101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10120101021121 - 2⁹ = 10120101020609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (10120101027121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55604950575 + ... + 55604950756.

It is an arithmetic number, because the mean of its divisors is an integer number (1556938618648).

Almost surely, 2^{10120101021121} is an apocalyptic number.

It is an amenable number.

10120101021121 is a deficient number, since it is larger than the sum of its proper divisors (2335407928063).

10120101021121 is a wasteful number, since it uses less digits than its factorization.

10120101021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111209901351.

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

Adding to 10120101021121 its reverse (12112010102101), we get a palindrome (22232111123222).

The spelling of 10120101021121 in words is "ten trillion, one hundred twenty billion, one hundred one million, twenty-one thousand, one hundred twenty-one".