1202002021011 has 8 divisors (see below), whose sum is σ = 1748366576064. Its totient is φ = 728486073320.

The previous prime is 1202002020991. The next prime is 1202002021043. The reversal of 1202002021011 is 1101202002021.

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

It is a cyclic number.

It is not a de Polignac number, because 1202002021011 - 2²⁶ = 1201934912147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202002021411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18212151801 + ... + 18212151866.

It is an arithmetic number, because the mean of its divisors is an integer number (218545822008).

Almost surely, 2^{1202002021011} is an apocalyptic number.

1202002021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1202002021011 is a deficient number, since it is larger than the sum of its proper divisors (546364555053).

1202002021011 is a wasteful number, since it uses less digits than its factorization.

1202002021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36424303681.

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

Adding to 1202002021011 its reverse (1101202002021), we get a palindrome (2303204023032).

The spelling of 1202002021011 in words is "one trillion, two hundred two billion, two million, twenty-one thousand, eleven".