1220021011202 has 32 divisors (see below), whose sum is σ = 2093241249792. Its totient is φ = 522422179344.

The previous prime is 1220021011199. The next prime is 1220021011217. The reversal of 1220021011202 is 2021101200221.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126776963 + ... + 126786585.

It is an arithmetic number, because the mean of its divisors is an integer number (65413789056).

Almost surely, 2^{1220021011202} is an apocalyptic number.

1220021011202 is a deficient number, since it is larger than the sum of its proper divisors (873220238590).

1220021011202 is a wasteful number, since it uses less digits than its factorization.

1220021011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16382.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220021011202 its reverse (2021101200221), we get a palindrome (3241122211423).

The spelling of 1220021011202 in words is "one trillion, two hundred twenty billion, twenty-one million, eleven thousand, two hundred two".