152421203100 has 72 divisors (see below), whose sum is σ = 442414582960. Its totient is φ = 40515770880.

The previous prime is 152421203069. The next prime is 152421203101. The reversal of 152421203100 is 1302124251.

It is a super-2 number, since 2×152421203100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152421203101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 717715 + ... + 905514.

Almost surely, 2^152421203100 is an apocalyptic number.

152421203100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152421203100 is an abundant number, since it is smaller than the sum of its proper divisors (289993379860).

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

152421203100 is a wasteful number, since it uses less digits than its factorization.

152421203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1623559 (or 1623552 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 152421203100 its reverse (1302124251), we get a palindrome (153723327351).

The spelling of 152421203100 in words is "one hundred fifty-two billion, four hundred twenty-one million, two hundred three thousand, one hundred".