213121011050300 has 72 divisors (see below), whose sum is σ = 467073255627552. Its totient is φ = 84400434720000.

The previous prime is 213121011050281. The next prime is 213121011050333. The reversal of 213121011050300 is 3050110121312.

It is a super-2 number, since 2×213121011050300² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221629334 + ... + 222588866.

Almost surely, 2^{213121011050300} is an apocalyptic number.

213121011050300 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 213121011050300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233536627813776).

213121011050300 is an abundant number, since it is smaller than the sum of its proper divisors (253952244577252).

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

213121011050300 is a wasteful number, since it uses less digits than its factorization.

213121011050300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981639 (or 981632 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 213121011050300 its reverse (3050110121312), we get a palindrome (216171121171612).

The spelling of 213121011050300 in words is "two hundred thirteen trillion, one hundred twenty-one billion, eleven million, fifty thousand, three hundred".