21101233010 has 64 divisors (see below), whose sum is σ = 44725443840. Its totient is φ = 7066586880.

The previous prime is 21101232989. The next prime is 21101233031. The reversal of 21101233010 is 1033210112.

It is an interprime number because it is at equal distance from previous prime (21101232989) and next prime (21101233031).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610964 + ... + 644576.

It is an arithmetic number, because the mean of its divisors is an integer number (698835060).

Almost surely, 2^21101233010 is an apocalyptic number.

21101233010 is an abundant number, since it is smaller than the sum of its proper divisors (23624210830).

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

21101233010 is a wasteful number, since it uses less digits than its factorization.

21101233010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34083.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 21101233010 its reverse (1033210112), we get a palindrome (22134443122).

The spelling of 21101233010 in words is "twenty-one billion, one hundred one million, two hundred thirty-three thousand, ten".