101221001022 has 8 divisors (see below), whose sum is σ = 202442002056. Its totient is φ = 33740333672.

The previous prime is 101221000967. The next prime is 101221001051. The reversal of 101221001022 is 220100122101.

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

101221001022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 101221000989 and 101221001007.

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 3 ways as a sum of consecutive naturals, for example, 8435083413 + ... + 8435083424.

It is an arithmetic number, because the mean of its divisors is an integer number (25305250257).

Almost surely, 2^101221001022 is an apocalyptic number.

101221001022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

101221001022 is a wasteful number, since it uses less digits than its factorization.

101221001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16870166842.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101221001022 its reverse (220100122101), we get a palindrome (321321123123).

The spelling of 101221001022 in words is "one hundred one billion, two hundred twenty-one million, one thousand, twenty-two".