210212120111022 has 16 divisors (see below), whose sum is σ = 467138044691280. Its totient is φ = 70070706703656.

The previous prime is 210212120110943. The next prime is 210212120111083. The reversal of 210212120111022 is 220111021212012.

210212120111022 is a `hidden beast` number, since 210 + 2 + 121 + 201 + 110 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210212120110986 and 210212120111004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946408519493 + ... + 1946408519600.

It is an arithmetic number, because the mean of its divisors is an integer number (29196127793205).

Almost surely, 2^{210212120111022} is an apocalyptic number.

210212120111022 is an abundant number, since it is smaller than the sum of its proper divisors (256925924580258).

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

210212120111022 is a wasteful number, since it uses less digits than its factorization.

210212120111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892817039104 (or 3892817039098 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210212120111022 its reverse (220111021212012), we get a palindrome (430323141323034).

The spelling of 210212120111022 in words is "two hundred ten trillion, two hundred twelve billion, one hundred twenty million, one hundred eleven thousand, twenty-two".