21121334302 has 16 divisors (see below), whose sum is σ = 32214344400. Its totient is φ = 10383359040.

The previous prime is 21121334291. The next prime is 21121334341. The reversal of 21121334302 is 20343312112.

It is a super-2 number, since 2×21121334302² (a number of 21 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 7 ways as a sum of consecutive naturals, for example, 281074 + ... + 348202.

It is an arithmetic number, because the mean of its divisors is an integer number (2013396525).

Almost surely, 2^21121334302 is an apocalyptic number.

21121334302 is a deficient number, since it is larger than the sum of its proper divisors (11093010098).

21121334302 is a wasteful number, since it uses less digits than its factorization.

21121334302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69771.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21121334302 its reverse (20343312112), we get a palindrome (41464646414).

The spelling of 21121334302 in words is "twenty-one billion, one hundred twenty-one million, three hundred thirty-four thousand, three hundred two".