10211202222210 has 144 divisors (see below), whose sum is σ = 29268701207928. Its totient is φ = 2468096547840.

The previous prime is 10211202222167. The next prime is 10211202222223. The reversal of 10211202222210 is 1222220211201.

It is a happy number.

10211202222210 is a `hidden beast` number, since 1 + 0 + 211 + 20 + 2 + 222 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3768098263281 + 6443103958929 = 1941159^2 + 2538327^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2278732 + ... + 5061128.

Almost surely, 2^{10211202222210} is an apocalyptic number.

10211202222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10211202222210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14634350603964).

10211202222210 is an abundant number, since it is smaller than the sum of its proper divisors (19057498985718).

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

10211202222210 is a wasteful number, since it uses less digits than its factorization.

10211202222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782769 (or 2782755 counting only the distinct ones).

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

Adding to 10211202222210 its reverse (1222220211201), we get a palindrome (11433422433411).

The spelling of 10211202222210 in words is "ten trillion, two hundred eleven billion, two hundred two million, two hundred twenty-two thousand, two hundred ten".