1101021201002 has 4 divisors (see below), whose sum is σ = 1651531801506. Its totient is φ = 550510600500.

The previous prime is 1101021200891. The next prime is 1101021201013. The reversal of 1101021201002 is 2001021201011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 876884289241 + 224136911761 = 936421^2 + 473431^2 .

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 as a sum of consecutive naturals, namely, 275255300249 + ... + 275255300252.

Almost surely, 2^{1101021201002} is an apocalyptic number.

1101021201002 is a deficient number, since it is larger than the sum of its proper divisors (550510600504).

1101021201002 is an equidigital number, since it uses as much as digits as its factorization.

1101021201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550510600503.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1101021201002 its reverse (2001021201011), we get a palindrome (3102042402013).

Subtracting 1101021201002 from its reverse (2001021201011), we obtain a palindrome (900000000009).

The spelling of 1101021201002 in words is "one trillion, one hundred one billion, twenty-one million, two hundred one thousand, two".