1111520205102 has 32 divisors (see below), whose sum is σ = 2270427604992. Its totient is φ = 362609483744.

The previous prime is 1111520205013. The next prime is 1111520205163. The reversal of 1111520205102 is 2015020251111.

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, 9125083 + ... + 9246089.

It is an arithmetic number, because the mean of its divisors is an integer number (70950862656).

Almost surely, 2^{1111520205102} is an apocalyptic number.

1111520205102 is an abundant number, since it is smaller than the sum of its proper divisors (1158907399890).

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

1111520205102 is a wasteful number, since it uses less digits than its factorization.

1111520205102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153632.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 1111520205102 its reverse (2015020251111), we get a palindrome (3126540456213).

The spelling of 1111520205102 in words is "one trillion, one hundred eleven billion, five hundred twenty million, two hundred five thousand, one hundred two".