101011221210 has 32 divisors (see below), whose sum is σ = 243059927040. Its totient is φ = 26865992768.

The previous prime is 101011221167. The next prime is 101011221281. The reversal of 101011221210 is 12122110101.

It is a super-3 number, since 3×101011221210³ (a number of 34 digits) contains 333 as substring.

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, 4384125 + ... + 4407104.

It is an arithmetic number, because the mean of its divisors is an integer number (7595622720).

Almost surely, 2^101011221210 is an apocalyptic number.

101011221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101011221210 is an abundant number, since it is smaller than the sum of its proper divisors (142048705830).

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

101011221210 is a wasteful number, since it uses less digits than its factorization.

101011221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8791622.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 101011221210 its reverse (12122110101), we get a palindrome (113133331311).

The spelling of 101011221210 in words is "one hundred one billion, eleven million, two hundred twenty-one thousand, two hundred ten".