211121012010011 has 8 divisors (see below), whose sum is σ = 216891483488064. Its totient is φ = 205389662373000.

The previous prime is 211121012010001. The next prime is 211121012010019. The reversal of 211121012010011 is 110010210121112.

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-211121012010011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211121012010019) 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, 9780449321 + ... + 9780470906.

It is an arithmetic number, because the mean of its divisors is an integer number (27111435436008).

Almost surely, 2^{211121012010011} is an apocalyptic number.

211121012010011 is a deficient number, since it is larger than the sum of its proper divisors (5770471478053).

211121012010011 is a wasteful number, since it uses less digits than its factorization.

211121012010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19560920521.

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

Adding to 211121012010011 its reverse (110010210121112), we get a palindrome (321131222131123).

The spelling of 211121012010011 in words is "two hundred eleven trillion, one hundred twenty-one billion, twelve million, ten thousand, eleven".