1201100220002 has 4 divisors (see below), whose sum is σ = 1801650330006. Its totient is φ = 600550110000.

The previous prime is 1201100219999. The next prime is 1201100220011. The reversal of 1201100220002 is 2000220011021.

It is a happy number.

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., 707030404201 + 494069815801 = 840851^2 + 702901^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300275054999 + ... + 300275055002.

Almost surely, 2^{1201100220002} is an apocalyptic number.

1201100220002 is a deficient number, since it is larger than the sum of its proper divisors (600550110004).

1201100220002 is an equidigital number, since it uses as much as digits as its factorization.

1201100220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600550110003.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1201100220002 its reverse (2000220011021), we get a palindrome (3201320231023).

The spelling of 1201100220002 in words is "one trillion, two hundred one billion, one hundred million, two hundred twenty thousand, two".