210021022211022 has 80 divisors (see below), whose sum is σ = 514183144793472. Its totient is φ = 63543755843280.

The previous prime is 210021022210927. The next prime is 210021022211089. The reversal of 210021022211022 is 220112220120012.

It is a happy number.

210021022211022 is a `hidden beast` number, since 2 + 100 + 210 + 222 + 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 = 210021022210986 and 210021022211004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 90500298 + ... + 92791949.

Almost surely, 2^{210021022211022} is an apocalyptic number.

210021022211022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210021022211022 is an abundant number, since it is smaller than the sum of its proper divisors (304162122582450).

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

210021022211022 is a wasteful number, since it uses less digits than its factorization.

210021022211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183292915 (or 183292906 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210021022211022 its reverse (220112220120012), we get a palindrome (430133242331034).

It can be divided in two parts, 21002102 and 2211022, that added together give a square (23213124 = 4818²).

The spelling of 210021022211022 in words is "two hundred ten trillion, twenty-one billion, twenty-two million, two hundred eleven thousand, twenty-two".