101222011 has 8 divisors (see below), whose sum is σ = 115225344. Its totient is φ = 88018920.

The previous prime is 101221979. The next prime is 101222021. The reversal of 101222011 is 110222101.

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

It is not a de Polignac number, because 101222011 - 2⁵ = 101221979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101222021) 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, 199791 + ... + 200296.

It is an arithmetic number, because the mean of its divisors is an integer number (14403168).

Almost surely, 2^101222011 is an apocalyptic number.

101222011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101222011 is a deficient number, since it is larger than the sum of its proper divisors (14003333).

101222011 is a wasteful number, since it uses less digits than its factorization.

101222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400121.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 101222011 is about 10060.9150180289. The cubic root of 101222011 is about 466.0419246113.

Adding to 101222011 its reverse (110222101), we get a palindrome (211444112).

The spelling of 101222011 in words is "one hundred one million, two hundred twenty-two thousand, eleven".