21300011123010 has 16 divisors (see below), whose sum is σ = 51120026695296. Its totient is φ = 5680002966128.

The previous prime is 21300011123003. The next prime is 21300011123029. The reversal of 21300011123010 is 1032111000312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355000185354 + ... + 355000185413.

It is an arithmetic number, because the mean of its divisors is an integer number (3195001668456).

Almost surely, 2^{21300011123010} is an apocalyptic number.

21300011123010 is an abundant number, since it is smaller than the sum of its proper divisors (29820015572286).

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

21300011123010 is a wasteful number, since it uses less digits than its factorization.

21300011123010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710000370777.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 21300011123010 its reverse (1032111000312), we get a palindrome (22332122123322).

The spelling of 21300011123010 in words is "twenty-one trillion, three hundred billion, eleven million, one hundred twenty-three thousand, ten".