101221133110 has 32 divisors (see below), whose sum is σ = 186956646912. Its totient is φ = 39439152480.

The previous prime is 101221133107. The next prime is 101221133191. The reversal of 101221133110 is 11331122101.

101221133110 = T₂₉₂₃₃ + T₂₉₂₃₄ + ... + T₂₉₄₆₇.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411172 + ... + 609511.

It is an arithmetic number, because the mean of its divisors is an integer number (5842395216).

Almost surely, 2^101221133110 is an apocalyptic number.

101221133110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101221133110 is a deficient number, since it is larger than the sum of its proper divisors (85735513802).

101221133110 is a wasteful number, since it uses less digits than its factorization.

101221133110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020948.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101221133110 its reverse (11331122101), we get a palindrome (112552255211).

The spelling of 101221133110 in words is "one hundred one billion, two hundred twenty-one million, one hundred thirty-three thousand, one hundred ten".