1111020111102 has 32 divisors (see below), whose sum is σ = 2424177454464. Its totient is φ = 336654208800.

The previous prime is 1111020111101. The next prime is 1111020111133. The reversal of 1111020111102 is 2011110201111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111020111101) 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, 767577 + ... + 1676667.

It is an arithmetic number, because the mean of its divisors is an integer number (75755545452).

Almost surely, 2^{1111020111102} is an apocalyptic number.

1111020111102 is an abundant number, since it is smaller than the sum of its proper divisors (1313157343362).

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

1111020111102 is a wasteful number, since it uses less digits than its factorization.

1111020111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927624.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1111020111102 its reverse (2011110201111), we get a palindrome (3122130312213).

Subtracting 1111020111102 from its reverse (2011110201111), we obtain a palindrome (900090090009).

The spelling of 1111020111102 in words is "one trillion, one hundred eleven billion, twenty million, one hundred eleven thousand, one hundred two".