202143222003100 has 144 divisors (see below), whose sum is σ = 506698674334272. Its totient is φ = 68562594570240.

The previous prime is 202143222003061. The next prime is 202143222003119. The reversal of 202143222003100 is 1300222341202.

It is a super-2 number, since 2×202143222003100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159408762 + ... + 160671838.

It is an arithmetic number, because the mean of its divisors is an integer number (3518740793988).

Almost surely, 2^{202143222003100} is an apocalyptic number.

202143222003100 is a gapful number since it is divisible by the number (20) 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 202143222003100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253349337167136).

202143222003100 is an abundant number, since it is smaller than the sum of its proper divisors (304555452331172).

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

202143222003100 is a wasteful number, since it uses less digits than its factorization.

202143222003100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265552 (or 1265545 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 202143222003100 its reverse (1300222341202), we get a palindrome (203443444344302).

The spelling of 202143222003100 in words is "two hundred two trillion, one hundred forty-three billion, two hundred twenty-two million, three thousand, one hundred".