1200111022102 has 32 divisors (see below), whose sum is σ = 1978524973440. Its totient is φ = 543680609280.

The previous prime is 1200111022009. The next prime is 1200111022129. The reversal of 1200111022102 is 2012201110021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6058327 + ... + 6253282.

It is an arithmetic number, because the mean of its divisors is an integer number (61828905420).

Almost surely, 2^{1200111022102} is an apocalyptic number.

1200111022102 is a deficient number, since it is larger than the sum of its proper divisors (778413951338).

1200111022102 is a wasteful number, since it uses less digits than its factorization.

1200111022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12311736.

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

Adding to 1200111022102 its reverse (2012201110021), we get a palindrome (3212312132123).

The spelling of 1200111022102 in words is "one trillion, two hundred billion, one hundred eleven million, twenty-two thousand, one hundred two".