1111111202102 has 32 divisors (see below), whose sum is σ = 1922609461248. Its totient is φ = 476837640000.

The previous prime is 1111111202101. The next prime is 1111111202153. The reversal of 1111111202102 is 2012021111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111111202101) 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, 19840274 + ... + 19896197.

It is an arithmetic number, because the mean of its divisors is an integer number (60081545664).

Almost surely, 2^{1111111202102} is an apocalyptic number.

1111111202102 is a deficient number, since it is larger than the sum of its proper divisors (811498259146).

1111111202102 is a wasteful number, since it uses less digits than its factorization.

1111111202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39736556.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111111202102 its reverse (2012021111111), we get a palindrome (3123132313213).

Subtracting 1111111202102 from its reverse (2012021111111), we obtain a palindrome (900909909009).

The spelling of 1111111202102 in words is "one trillion, one hundred eleven billion, one hundred eleven million, two hundred two thousand, one hundred two".