1202102111100 has 288 divisors, whose sum is σ = 3844490936832. Its totient is φ = 287580800000.

The previous prime is 1202102111087. The next prime is 1202102111137. The reversal of 1202102111100 is 11112012021.

It is a super-2 number, since 2×1202102111100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 103650502 + ... + 103662098.

It is an arithmetic number, because the mean of its divisors is an integer number (13348926864).

Almost surely, 2^{1202102111100} is an apocalyptic number.

1202102111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202102111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1922245468416).

1202102111100 is an abundant number, since it is smaller than the sum of its proper divisors (2642388825732).

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

1202102111100 is a wasteful number, since it uses less digits than its factorization.

1202102111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12037 (or 12030 counting only the distinct ones).

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

Adding to 1202102111100 its reverse (11112012021), we get a palindrome (1213214123121).

The spelling of 1202102111100 in words is "one trillion, two hundred two billion, one hundred two million, one hundred eleven thousand, one hundred".