1202002021110 has 128 divisors (see below), whose sum is σ = 3195990120960. Its totient is φ = 286896128000.

The previous prime is 1202002021079. The next prime is 1202002021123. The reversal of 1202002021110 is 111202002021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5865334 + ... + 6066806.

It is an arithmetic number, because the mean of its divisors is an integer number (24968672820).

Almost surely, 2^{1202002021110} is an apocalyptic number.

1202002021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202002021110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1597995060480).

1202002021110 is an abundant number, since it is smaller than the sum of its proper divisors (1993988099850).

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

1202002021110 is a wasteful number, since it uses less digits than its factorization.

1202002021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201774.

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

Adding to 1202002021110 its reverse (111202002021), we get a palindrome (1313204023131).

The spelling of 1202002021110 in words is "one trillion, two hundred two billion, two million, twenty-one thousand, one hundred ten".