1200220202111 has 12 divisors (see below), whose sum is σ = 1396248756768. Its totient is φ = 1028705473152.

The previous prime is 1200220202101. The next prime is 1200220202263. The reversal of 1200220202111 is 1112020220021.

It is a de Polignac number, because none of the positive numbers 2^k-1200220202111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200220202101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293615 + ... + 1576911.

It is an arithmetic number, because the mean of its divisors is an integer number (116354063064).

Almost surely, 2^{1200220202111} is an apocalyptic number.

1200220202111 is a deficient number, since it is larger than the sum of its proper divisors (196028554657).

1200220202111 is a wasteful number, since it uses less digits than its factorization.

1200220202111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302398 (or 1302391 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1200220202111 its reverse (1112020220021), we get a palindrome (2312240422132).

The spelling of 1200220202111 in words is "one trillion, two hundred billion, two hundred twenty million, two hundred two thousand, one hundred eleven".