1201111222102 has 16 divisors (see below), whose sum is σ = 1967466486672. Its totient is φ = 545400824320.

The previous prime is 1201111222043. The next prime is 1201111222123. The reversal of 1201111222102 is 2012221111021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27919123 + ... + 27962110.

It is an arithmetic number, because the mean of its divisors is an integer number (122966655417).

Almost surely, 2^{1201111222102} is an apocalyptic number.

1201111222102 is a deficient number, since it is larger than the sum of its proper divisors (766355264570).

1201111222102 is a wasteful number, since it uses less digits than its factorization.

1201111222102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55882223.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1201111222102 its reverse (2012221111021), we get a palindrome (3213332333123).

The spelling of 1201111222102 in words is "one trillion, two hundred one billion, one hundred eleven million, two hundred twenty-two thousand, one hundred two".