121011213331 has 8 divisors (see below), whose sum is σ = 121102829280. Its totient is φ = 120919635648.

The previous prime is 121011213283. The next prime is 121011213413. The reversal of 121011213331 is 133312110121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121011213331 is a prime.

It is a super-2 number, since 2×121011213331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121011213299 and 121011213308.

It is not an unprimeable number, because it can be changed into a prime (121011213131) 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, 9562050 + ... + 9574696.

It is an arithmetic number, because the mean of its divisors is an integer number (15137853660).

Almost surely, 2^121011213331 is an apocalyptic number.

121011213331 is a deficient number, since it is larger than the sum of its proper divisors (91615949).

121011213331 is a wasteful number, since it uses less digits than its factorization.

121011213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19133.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121011213331 its reverse (133312110121), we get a palindrome (254323323452).

The spelling of 121011213331 in words is "one hundred twenty-one billion, eleven million, two hundred thirteen thousand, three hundred thirty-one".