1202211110100 has 576 divisors, whose sum is σ = 4677240637440. Its totient is φ = 230251161600.

The previous prime is 1202211110099. The next prime is 1202211110189. The reversal of 1202211110100 is 10111122021.

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 191 ways as a sum of consecutive naturals, for example, 232129311 + ... + 232134489.

It is an arithmetic number, because the mean of its divisors is an integer number (8120209440).

Almost surely, 2^{1202211110100} is an apocalyptic number.

1202211110100 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 1202211110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2338620318720).

1202211110100 is an abundant number, since it is smaller than the sum of its proper divisors (3475029527340).

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

1202211110100 is a wasteful number, since it uses less digits than its factorization.

1202211110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000 (or 5993 counting only the distinct ones).

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

Adding to 1202211110100 its reverse (10111122021), we get a palindrome (1212322232121).

It can be divided in two parts, 120221 and 1110100, that added together give a palindrome (1230321).

The spelling of 1202211110100 in words is "one trillion, two hundred two billion, two hundred eleven million, one hundred ten thousand, one hundred".