1201102001002 has 8 divisors (see below), whose sum is σ = 1801657656036. Its totient is φ = 600549448992.

The previous prime is 1201102000997. The next prime is 1201102001053. The reversal of 1201102001002 is 2001002011021.

It can be written as a sum of positive squares in 2 ways, for example, as 1124870238801 + 76231762201 = 1060599^2 + 276101^2 .

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

It is a super-2 number, since 2×1201102001002² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1201102001002.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1075428 + ... + 1886464.

Almost surely, 2^{1201102001002} is an apocalyptic number.

1201102001002 is a deficient number, since it is larger than the sum of its proper divisors (600555655034).

1201102001002 is an equidigital number, since it uses as much as digits as its factorization.

1201102001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551512.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1201102001002 its reverse (2001002011021), we get a palindrome (3202104012023).

The spelling of 1201102001002 in words is "one trillion, two hundred one billion, one hundred two million, one thousand, two".