1011220001202 has 64 divisors (see below), whose sum is σ = 2091920713344. Its totient is φ = 325666897920.

The previous prime is 1011220001189. The next prime is 1011220001237. The reversal of 1011220001202 is 2021000221101.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52069398 + ... + 52088814.

It is an arithmetic number, because the mean of its divisors is an integer number (32686261146).

Almost surely, 2^{1011220001202} is an apocalyptic number.

1011220001202 is an abundant number, since it is smaller than the sum of its proper divisors (1080700712142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011220001202 is a wasteful number, since it uses less digits than its factorization.

1011220001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21643.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1011220001202 its reverse (2021000221101), we get a palindrome (3032220222303).

The spelling of 1011220001202 in words is "one trillion, eleven billion, two hundred twenty million, one thousand, two hundred two".