1022211122002 has 32 divisors (see below), whose sum is σ = 1755375874560. Its totient is φ = 437337584640.

The previous prime is 1022211121993. The next prime is 1022211122003. The reversal of 1022211122002 is 2002211122201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1022211122003) 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, 21894199 + ... + 21940837.

It is an arithmetic number, because the mean of its divisors is an integer number (54855496080).

Almost surely, 2^{1022211122002} is an apocalyptic number.

1022211122002 is a deficient number, since it is larger than the sum of its proper divisors (733164752558).

1022211122002 is a wasteful number, since it uses less digits than its factorization.

1022211122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49306.

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

Adding to 1022211122002 its reverse (2002211122201), we get a palindrome (3024422244203).

The spelling of 1022211122002 in words is "one trillion, twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, two".