211222100020246 has 48 divisors (see below), whose sum is σ = 370925156302272. Its totient is φ = 89944313760000.

The previous prime is 211222100020199. The next prime is 211222100020247. The reversal of 211222100020246 is 642020001222112.

It is a happy number.

It is a super-2 number, since 2×211222100020246² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211222100020246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222100020247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7214686 + ... + 21782926.

It is an arithmetic number, because the mean of its divisors is an integer number (7727607422964).

Almost surely, 2^{211222100020246} is an apocalyptic number.

211222100020246 is a deficient number, since it is larger than the sum of its proper divisors (159703056282026).

211222100020246 is a wasteful number, since it uses less digits than its factorization.

211222100020246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14569205 (or 14569198 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 211222100020246 its reverse (642020001222112), we get a palindrome (853242101242358).

The spelling of 211222100020246 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred million, twenty thousand, two hundred forty-six".