1200102212011 has 4 divisors (see below), whose sum is σ = 1238815186624. Its totient is φ = 1161389237400.

The previous prime is 1200102212009. The next prime is 1200102212021. The reversal of 1200102212011 is 1102122010021.

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

It is a cyclic number.

It is not a de Polignac number, because 1200102212011 - 2¹ = 1200102212009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200102211982 and 1200102212000.

It is not an unprimeable number, because it can be changed into a prime (1200102212021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19356487260 + ... + 19356487321.

It is an arithmetic number, because the mean of its divisors is an integer number (309703796656).

Almost surely, 2^{1200102212011} is an apocalyptic number.

1200102212011 is a deficient number, since it is larger than the sum of its proper divisors (38712974613).

1200102212011 is an equidigital number, since it uses as much as digits as its factorization.

1200102212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38712974612.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1200102212011 its reverse (1102122010021), we get a palindrome (2302224222032).

The spelling of 1200102212011 in words is "one trillion, two hundred billion, one hundred two million, two hundred twelve thousand, eleven".