210022212111111 has 48 divisors (see below), whose sum is σ = 311724154442688. Its totient is φ = 136160823744000.

The previous prime is 210022212111043. The next prime is 210022212111137. The reversal of 210022212111111 is 111111212220012.

It is a happy number.

210022212111111 is a `hidden beast` number, since 210 + 0 + 2 + 221 + 211 + 11 + 11 = 666.

210022212111111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 210022212111111 - 2¹⁴ = 210022212094727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022212111211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8938244715 + ... + 8938268211.

It is an arithmetic number, because the mean of its divisors is an integer number (6494253217556).

Almost surely, 2^{210022212111111} is an apocalyptic number.

210022212111111 is a deficient number, since it is larger than the sum of its proper divisors (101701942331577).

210022212111111 is a wasteful number, since it uses less digits than its factorization.

210022212111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36152 (or 36149 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 210022212111111 its reverse (111111212220012), we get a palindrome (321133424331123).

The spelling of 210022212111111 in words is "two hundred ten trillion, twenty-two billion, two hundred twelve million, one hundred eleven thousand, one hundred eleven".