1022210222112 has 192 divisors, whose sum is σ = 3026038176000. Its totient is φ = 335648839680.

The previous prime is 1022210222087. The next prime is 1022210222153. The reversal of 1022210222112 is 2112220122201.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 78329764 + ... + 78342812.

It is an arithmetic number, because the mean of its divisors is an integer number (15760615500).

Almost surely, 2^{1022210222112} is an apocalyptic number.

1022210222112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022210222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1513019088000).

1022210222112 is an abundant number, since it is smaller than the sum of its proper divisors (2003827953888).

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

1022210222112 is a wasteful number, since it uses less digits than its factorization.

1022210222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14416 (or 14402 counting only the distinct ones).

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

Adding to 1022210222112 its reverse (2112220122201), we get a palindrome (3134430344313).

The spelling of 1022210222112 in words is "one trillion, twenty-two billion, two hundred ten million, two hundred twenty-two thousand, one hundred twelve".