101110012120021 has 8 divisors (see below), whose sum is σ = 102092422203200. Its totient is φ = 100127616642432.

The previous prime is 101110012119931. The next prime is 101110012120049. The reversal of 101110012120021 is 120021210011101.

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 101110012120021 - 2¹¹ = 101110012117973 is a prime.

It is a super-3 number, since 3×101110012120021³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101110012119983 and 101110012120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101110012120081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10527430 + ... + 17693128.

It is an arithmetic number, because the mean of its divisors is an integer number (12761552775400).

Almost surely, 2^{101110012120021} is an apocalyptic number.

It is an amenable number.

101110012120021 is a deficient number, since it is larger than the sum of its proper divisors (982410083179).

101110012120021 is a wasteful number, since it uses less digits than its factorization.

101110012120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302795.

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

Adding to 101110012120021 its reverse (120021210011101), we get a palindrome (221131222131122).

The spelling of 101110012120021 in words is "one hundred one trillion, one hundred ten billion, twelve million, one hundred twenty thousand, twenty-one".