1203111112102 has 8 divisors (see below), whose sum is σ = 1805947486200. Its totient is φ = 601128616704.

The previous prime is 1203111112067. The next prime is 1203111112103. The reversal of 1203111112102 is 2012111113021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1203111112102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203111112103) 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, 213466152 + ... + 213471787.

It is an arithmetic number, because the mean of its divisors is an integer number (225743435775).

Almost surely, 2^{1203111112102} is an apocalyptic number.

1203111112102 is a deficient number, since it is larger than the sum of its proper divisors (602836374098).

1203111112102 is a wasteful number, since it uses less digits than its factorization.

1203111112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426939350.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1203111112102 its reverse (2012111113021), we get a palindrome (3215222225123).

The spelling of 1203111112102 in words is "one trillion, two hundred three billion, one hundred eleven million, one hundred twelve thousand, one hundred two".