210011210020111 has 8 divisors (see below), whose sum is σ = 211974426641664. Its totient is φ = 208048002566040.

The previous prime is 210011210020099. The next prime is 210011210020153. The reversal of 210011210020111 is 111020012110012.

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 210011210020111 - 2¹⁹ = 210011209495823 is a prime.

It is a super-2 number, since 2×210011210020111² (a number of 29 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 = 210011210020091 and 210011210020100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011210060111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49099956 + ... + 53205526.

It is an arithmetic number, because the mean of its divisors is an integer number (26496803330208).

Almost surely, 2^{210011210020111} is an apocalyptic number.

210011210020111 is a deficient number, since it is larger than the sum of its proper divisors (1963216621553).

210011210020111 is a wasteful number, since it uses less digits than its factorization.

210011210020111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4583741.

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

Adding to 210011210020111 its reverse (111020012110012), we get a palindrome (321031222130123).

The spelling of 210011210020111 in words is "two hundred ten trillion, eleven billion, two hundred ten million, twenty thousand, one hundred eleven".