1011201220002 has 64 divisors (see below), whose sum is σ = 2144851156224. Its totient is φ = 316723937280.

The previous prime is 1011201219991. The next prime is 1011201220009. The reversal of 1011201220002 is 2000221021101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011201220002.

It is not an unprimeable number, because it can be changed into a prime (1011201220009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286701163 + ... + 286704689.

It is an arithmetic number, because the mean of its divisors is an integer number (33513299316).

Almost surely, 2^{1011201220002} is an apocalyptic number.

1011201220002 is an abundant number, since it is smaller than the sum of its proper divisors (1133649936222).

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

1011201220002 is a wasteful number, since it uses less digits than its factorization.

1011201220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7323.

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

Adding to 1011201220002 its reverse (2000221021101), we get a palindrome (3011422241103).

The spelling of 1011201220002 in words is "one trillion, eleven billion, two hundred one million, two hundred twenty thousand, two".