1002120221122 has 8 divisors (see below), whose sum is σ = 1503184595472. Its totient is φ = 501058689300.

The previous prime is 1002120221119. The next prime is 1002120221143. The reversal of 1002120221122 is 2211220212001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1002120221096 and 1002120221105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909097 + ... + 1682467.

It is an arithmetic number, because the mean of its divisors is an integer number (187898074434).

Almost surely, 2^{1002120221122} is an apocalyptic number.

1002120221122 is a deficient number, since it is larger than the sum of its proper divisors (501064374350).

1002120221122 is an equidigital number, since it uses as much as digits as its factorization.

1002120221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421264.

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

Adding to 1002120221122 its reverse (2211220212001), we get a palindrome (3213340433123).

The spelling of 1002120221122 in words is "one trillion, two billion, one hundred twenty million, two hundred twenty-one thousand, one hundred twenty-two".