101222221011 has 8 divisors (see below), whose sum is σ = 138610609104. Its totient is φ = 65657656800.

The previous prime is 101222220997. The next prime is 101222221069. The reversal of 101222221011 is 110122222101.

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

It is not a de Polignac number, because 101222221011 - 2⁹ = 101222220499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101222221081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455955840 + ... + 455956061.

It is an arithmetic number, because the mean of its divisors is an integer number (17326326138).

Almost surely, 2^101222221011 is an apocalyptic number.

101222221011 is a deficient number, since it is larger than the sum of its proper divisors (37388388093).

101222221011 is an equidigital number, since it uses as much as digits as its factorization.

101222221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911911941.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101222221011 its reverse (110122222101), we get a palindrome (211344443112).

The spelling of 101222221011 in words is "one hundred one billion, two hundred twenty-two million, two hundred twenty-one thousand, eleven".