211450101222 has 32 divisors (see below), whose sum is σ = 440316755424. Its totient is φ = 67636972800.

The previous prime is 211450101221. The next prime is 211450101251. The reversal of 211450101222 is 222101054112.

It is a super-2 number, since 2×211450101222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211450101221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7030513 + ... + 7060524.

It is an arithmetic number, because the mean of its divisors is an integer number (13759898607).

Almost surely, 2^211450101222 is an apocalyptic number.

211450101222 is an abundant number, since it is smaller than the sum of its proper divisors (228866654202).

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

211450101222 is a wasteful number, since it uses less digits than its factorization.

211450101222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14091144.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 211450101222 its reverse (222101054112), we get a palindrome (433551155334).

The spelling of 211450101222 in words is "two hundred eleven billion, four hundred fifty million, one hundred one thousand, two hundred twenty-two".