101221113010 has 8 divisors (see below), whose sum is σ = 182198003436. Its totient is φ = 40488445200.

The previous prime is 101221112987. The next prime is 101221113031. The reversal of 101221113010 is 10311122101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 90632908809 + 10588204201 = 301053^2 + 102899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5061055641 + ... + 5061055660.

Almost surely, 2^101221113010 is an apocalyptic number.

101221113010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101221113010 is a deficient number, since it is larger than the sum of its proper divisors (80976890426).

101221113010 is a wasteful number, since it uses less digits than its factorization.

101221113010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10122111308.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101221113010 its reverse (10311122101), we get a palindrome (111532235111).

Subtracting from 101221113010 its reverse (10311122101), we obtain a palindrome (90909990909).

The spelling of 101221113010 in words is "one hundred one billion, two hundred twenty-one million, one hundred thirteen thousand, ten".