21010233333310 has 32 divisors (see below), whose sum is σ = 43123266248832. Its totient is φ = 7301293754880.

The previous prime is 21010233333307. The next prime is 21010233333337. The reversal of 21010233333310 is 1333333201012.

It is a super-2 number, since 2×21010233333310² (a number of 27 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 15 ways as a sum of consecutive naturals, for example, 4753444246 + ... + 4753448665.

It is an arithmetic number, because the mean of its divisors is an integer number (1347602070276).

Almost surely, 2^{21010233333310} is an apocalyptic number.

21010233333310 is an abundant number, since it is smaller than the sum of its proper divisors (22113032915522).

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

21010233333310 is a wasteful number, since it uses less digits than its factorization.

21010233333310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9506892948.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 21010233333310 its reverse (1333333201012), we get a palindrome (22343566534322).

The spelling of 21010233333310 in words is "twenty-one trillion, ten billion, two hundred thirty-three million, three hundred thirty-three thousand, three hundred ten".