121011102112021 has 8 divisors (see below), whose sum is σ = 133602618762144. Its totient is φ = 108684670023120.

The previous prime is 121011102112013. The next prime is 121011102112031. The reversal of 121011102112021 is 120211201110121.

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 121011102112021 - 2³ = 121011102112013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121011102111986 and 121011102112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011102112001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66271139346 + ... + 66271141171.

It is an arithmetic number, because the mean of its divisors is an integer number (16700327345268).

Almost surely, 2^{121011102112021} is an apocalyptic number.

121011102112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121011102112021 is a deficient number, since it is larger than the sum of its proper divisors (12591516650123).

121011102112021 is a wasteful number, since it uses less digits than its factorization.

121011102112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132542280611.

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

Adding to 121011102112021 its reverse (120211201110121), we get a palindrome (241222303222142).

The spelling of 121011102112021 in words is "one hundred twenty-one trillion, eleven billion, one hundred two million, one hundred twelve thousand, twenty-one".