210111020011001 has 16 divisors (see below), whose sum is σ = 222937345094400. Its totient is φ = 197337000061440.

The previous prime is 210111020010959. The next prime is 210111020011031. The reversal of 210111020011001 is 100110020111012.

It is a cyclic number.

It is not a de Polignac number, because 210111020011001 - 2³⁴ = 210093840141817 is a prime.

It is a super-2 number, since 2×210111020011001² (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 (210111020011031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8788925 + ... + 22303973.

It is an arithmetic number, because the mean of its divisors is an integer number (13933584068400).

Almost surely, 2^{210111020011001} is an apocalyptic number.

It is an amenable number.

210111020011001 is a deficient number, since it is larger than the sum of its proper divisors (12826325083399).

210111020011001 is a wasteful number, since it uses less digits than its factorization.

210111020011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13516984.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 210111020011001 its reverse (100110020111012), we get a palindrome (310221040122013).

The spelling of 210111020011001 in words is "two hundred ten trillion, one hundred eleven billion, twenty million, eleven thousand, one".