211222012202010 has 48 divisors (see below), whose sum is σ = 549887681106504. Its totient is φ = 56253003317376.

The previous prime is 211222012201987. The next prime is 211222012202039. The reversal of 211222012202010 is 10202210222112.

It is a happy number.

211222012202010 is a `hidden beast` number, since 21 + 1 + 2 + 220 + 1 + 220 + 201 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 119092019359041 + 92129992842969 = 10912929^2 + 9598437^2 .

It is a super-2 number, since 2×211222012202010² (a number of 29 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 1517984277 + ... + 1518123416.

Almost surely, 2^{211222012202010} is an apocalyptic number.

211222012202010 is an abundant number, since it is smaller than the sum of its proper divisors (338665668904494).

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

211222012202010 is a wasteful number, since it uses less digits than its factorization.

211222012202010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036108479 (or 3036108476 counting only the distinct ones).

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

Adding to 211222012202010 its reverse (10202210222112), we get a palindrome (221424222424122).

The spelling of 211222012202010 in words is "two hundred eleven trillion, two hundred twenty-two billion, twelve million, two hundred two thousand, ten".