2201222121112 has 32 divisors (see below), whose sum is σ = 4965162681600. Its totient is φ = 893729281824.

The previous prime is 2201222121079. The next prime is 2201222121121. The reversal of 2201222121112 is 2111212221022.

It is a super-2 number, since 2×2201222121112² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 2201222121112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034407828 + ... + 1034409955.

It is an arithmetic number, because the mean of its divisors is an integer number (155161333800).

Almost surely, 2^{2201222121112} is an apocalyptic number.

It is an amenable number.

2201222121112 is an abundant number, since it is smaller than the sum of its proper divisors (2763940560488).

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

2201222121112 is a wasteful number, since it uses less digits than its factorization.

2201222121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068817815 (or 2068817811 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2201222121112 its reverse (2111212221022), we get a palindrome (4312434342134).

The spelling of 2201222121112 in words is "two trillion, two hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred twelve".