1200021201102 has 32 divisors (see below), whose sum is σ = 2407032778752. Its totient is φ = 398843473824.

The previous prime is 1200021201101. The next prime is 1200021201121. The reversal of 1200021201102 is 2011021200021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200021201101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3097668 + ... + 3463464.

It is an arithmetic number, because the mean of its divisors is an integer number (75219774336).

Almost surely, 2^{1200021201102} is an apocalyptic number.

1200021201102 is an abundant number, since it is smaller than the sum of its proper divisors (1207011577650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200021201102 is a wasteful number, since it uses less digits than its factorization.

1200021201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367392.

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

Adding to 1200021201102 its reverse (2011021200021), we get a palindrome (3211042401123).

It can be divided in two parts, 1200021 and 201102, that multiplied together give a palindrome (241326623142).

The spelling of 1200021201102 in words is "one trillion, two hundred billion, twenty-one million, two hundred one thousand, one hundred two".