1201021100202 has 192 divisors, whose sum is σ = 3067706183040. Its totient is φ = 309967257600.

The previous prime is 1201021100197. The next prime is 1201021100243. The reversal of 1201021100202 is 2020011201021.

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, 360773674 + ... + 360777002.

It is an arithmetic number, because the mean of its divisors is an integer number (15977636370).

Almost surely, 2^{1201021100202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201021100202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533853091520).

1201021100202 is an abundant number, since it is smaller than the sum of its proper divisors (1866685082838).

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

1201021100202 is a wasteful number, since it uses less digits than its factorization.

1201021100202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037 (or 4030 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1201021100202 its reverse (2020011201021), we get a palindrome (3221032301223).

The spelling of 1201021100202 in words is "one trillion, two hundred one billion, twenty-one million, one hundred thousand, two hundred two".