121011211311001 has 8 divisors (see below), whose sum is σ = 132379952616000. Its totient is φ = 109703757021840.

The previous prime is 121011211310987. The next prime is 121011211311007. The reversal of 121011211311001 is 100113112110121.

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 121011211311001 - 2¹³ = 121011211302809 is a prime.

It is a super-2 number, since 2×121011211311001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121011211311007) 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, 15321749826 + ... + 15321757723.

It is an arithmetic number, because the mean of its divisors is an integer number (16547494077000).

Almost surely, 2^{121011211311001} is an apocalyptic number.

121011211311001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121011211311001 is a deficient number, since it is larger than the sum of its proper divisors (11368741304999).

121011211311001 is a wasteful number, since it uses less digits than its factorization.

121011211311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30643507919.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 121011211311001 its reverse (100113112110121), we get a palindrome (221124323421122).

The spelling of 121011211311001 in words is "one hundred twenty-one trillion, eleven billion, two hundred eleven million, three hundred eleven thousand, one".