121011000022111 has 8 divisors (see below), whose sum is σ = 121106253818880. Its totient is φ = 120915747684312.

The previous prime is 121011000022109. The next prime is 121011000022183. The reversal of 121011000022111 is 111220000110121.

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 121011000022111 - 2¹ = 121011000022109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121011000022091 and 121011000022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121011000022411) 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, 215935170 + ... + 216494848.

It is an arithmetic number, because the mean of its divisors is an integer number (15138281727360).

Almost surely, 2^{121011000022111} is an apocalyptic number.

121011000022111 is a deficient number, since it is larger than the sum of its proper divisors (95253796769).

121011000022111 is a wasteful number, since it uses less digits than its factorization.

121011000022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729485.

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

Adding to 121011000022111 its reverse (111220000110121), we get a palindrome (232231000132232).

The spelling of 121011000022111 in words is "one hundred twenty-one trillion, eleven billion, twenty-two thousand, one hundred eleven".