210111021112 has 16 divisors (see below), whose sum is σ = 394041542400. Its totient is φ = 105033276480.

The previous prime is 210111021077. The next prime is 210111021119. The reversal of 210111021112 is 211120111012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 210111021092 and 210111021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210111021119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739064 + ... + 2814727.

It is an arithmetic number, because the mean of its divisors is an integer number (24627596400).

Almost surely, 2^210111021112 is an apocalyptic number.

It is an amenable number.

210111021112 is a deficient number, since it is larger than the sum of its proper divisors (183930521288).

210111021112 is a wasteful number, since it uses less digits than its factorization.

210111021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558526 (or 5558522 counting only the distinct ones).

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

Adding to 210111021112 its reverse (211120111012), we get a palindrome (421231132124).

The spelling of 210111021112 in words is "two hundred ten billion, one hundred eleven million, twenty-one thousand, one hundred twelve".