1220021120002 has 8 divisors (see below), whose sum is σ = 1830256330896. Its totient is φ = 609935676372.

The previous prime is 1220021119981. The next prime is 1220021120057. The reversal of 1220021120002 is 2000211200221.

It is a happy number.

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

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, 37421448 + ... + 37454035.

It is an arithmetic number, because the mean of its divisors is an integer number (228782041362).

Almost surely, 2^{1220021120002} is an apocalyptic number.

1220021120002 is a deficient number, since it is larger than the sum of its proper divisors (610235210894).

1220021120002 is an equidigital number, since it uses as much as digits as its factorization.

1220021120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74883632.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220021120002 its reverse (2000211200221), we get a palindrome (3220232320223).

The spelling of 1220021120002 in words is "one trillion, two hundred twenty billion, twenty-one million, one hundred twenty thousand, two".