1002022122112 has 64 divisors (see below), whose sum is σ = 2236546729440. Its totient is φ = 443154723840.

The previous prime is 1002022122097. The next prime is 1002022122121. The reversal of 1002022122112 is 2112212202001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 9564978 + ... + 9669169.

Almost surely, 2^{1002022122112} is an apocalyptic number.

It is an amenable number.

1002022122112 is an abundant number, since it is smaller than the sum of its proper divisors (1234524607328).

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

1002022122112 is a wasteful number, since it uses less digits than its factorization.

1002022122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19234209 (or 19234197 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1002022122112 its reverse (2112212202001), we get a palindrome (3114234324113).

The spelling of 1002022122112 in words is "one trillion, two billion, twenty-two million, one hundred twenty-two thousand, one hundred twelve".