11220212214 has 24 divisors (see below), whose sum is σ = 24450989472. Its totient is φ = 3718450800.

The previous prime is 11220212209. The next prime is 11220212221. The reversal of 11220212214 is 41221202211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1798462 + ... + 1804689.

It is an arithmetic number, because the mean of its divisors is an integer number (1018791228).

Almost surely, 2^11220212214 is an apocalyptic number.

11220212214 is an abundant number, since it is smaller than the sum of its proper divisors (13230777258).

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

11220212214 is a wasteful number, since it uses less digits than its factorization.

11220212214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603332 (or 3603329 counting only the distinct ones).

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

Adding to 11220212214 its reverse (41221202211), we get a palindrome (52441414425).

The spelling of 11220212214 in words is "eleven billion, two hundred twenty million, two hundred twelve thousand, two hundred fourteen".