1020201111102 has 16 divisors (see below), whose sum is σ = 2040529361040. Its totient is φ = 340045847232.

The previous prime is 1020201111101. The next prime is 1020201111107. The reversal of 1020201111102 is 2011111020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020201111101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5192977 + ... + 5385852.

It is an arithmetic number, because the mean of its divisors is an integer number (127533085065).

Almost surely, 2^{1020201111102} is an apocalyptic number.

1020201111102 is an abundant number, since it is smaller than the sum of its proper divisors (1020328249938).

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

1020201111102 is a wasteful number, since it uses less digits than its factorization.

1020201111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10594907.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020201111102 its reverse (2011111020201), we get a palindrome (3031312131303).

Subtracting 1020201111102 from its reverse (2011111020201), we obtain a palindrome (990909909099).

The spelling of 1020201111102 in words is "one trillion, twenty billion, two hundred one million, one hundred eleven thousand, one hundred two".