121121010210011 has 8 divisors (see below), whose sum is σ = 138424130786304. Its totient is φ = 103817919413160.

The previous prime is 121121010210001. The next prime is 121121010210017. The reversal of 121121010210011 is 110012010121121.

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-121121010210011 is a prime.

It is a super-2 number, since 2×121121010210011² (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 (121121010210017) 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, 2083766 + ... + 15702996.

It is an arithmetic number, because the mean of its divisors is an integer number (17303016348288).

Almost surely, 2^{121121010210011} is an apocalyptic number.

121121010210011 is a deficient number, since it is larger than the sum of its proper divisors (17303120576293).

121121010210011 is a wasteful number, since it uses less digits than its factorization.

121121010210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14889721.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 121121010210011 its reverse (110012010121121), we get a palindrome (231133020331132).

The spelling of 121121010210011 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, ten million, two hundred ten thousand, eleven".