1220020211002 has 8 divisors (see below), whose sum is σ = 1830235021812. Its totient is φ = 609941870400.

The previous prime is 1220020210961. The next prime is 1220020211017. The reversal of 1220020211002 is 2001120200221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1110155142321 + 109865068681 = 1053639^2 + 331459^2 .

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, 34095199 + ... + 34130962.

Almost surely, 2^{1220020211002} is an apocalyptic number.

1220020211002 is a deficient number, since it is larger than the sum of its proper divisors (610214810810).

1220020211002 is an equidigital number, since it uses as much as digits as its factorization.

1220020211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68235104.

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

Adding to 1220020211002 its reverse (2001120200221), we get a palindrome (3221140411223).

The spelling of 1220020211002 in words is "one trillion, two hundred twenty billion, twenty million, two hundred eleven thousand, two".