211111100012010 has 192 divisors, whose sum is σ = 577629386393472. Its totient is φ = 49302221760000.

The previous prime is 211111100012003. The next prime is 211111100012017. The reversal of 211111100012010 is 10210001111112.

It is an interprime number because it is at equal distance from previous prime (211111100012003) and next prime (211111100012017).

It is not an unprimeable number, because it can be changed into a prime (211111100012017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5784025 + ... + 21346595.

It is an arithmetic number, because the mean of its divisors is an integer number (3008486387466).

Almost surely, 2^{211111100012010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211111100012010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288814693196736).

211111100012010 is an abundant number, since it is smaller than the sum of its proper divisors (366518286381462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211111100012010 is a wasteful number, since it uses less digits than its factorization.

211111100012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15562741 (or 15562730 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 211111100012010 its reverse (10210001111112), we get a palindrome (221321101123122).

The spelling of 211111100012010 in words is "two hundred eleven trillion, one hundred eleven billion, one hundred million, twelve thousand, ten".