200102222124 has 120 divisors (see below), whose sum is σ = 598876296480. Its totient is φ = 57072605184.

The previous prime is 200102222101. The next prime is 200102222143. The reversal of 200102222124 is 421222201002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200102222097 and 200102222106.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1232182 + ... + 1385090.

It is an arithmetic number, because the mean of its divisors is an integer number (4990635804).

Almost surely, 2^200102222124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200102222124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299438148240).

200102222124 is an abundant number, since it is smaller than the sum of its proper divisors (398774074356).

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

200102222124 is a wasteful number, since it uses less digits than its factorization.

200102222124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153509 (or 153498 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 200102222124 its reverse (421222201002), we get a palindrome (621324423126).

The spelling of 200102222124 in words is "two hundred billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty-four".