101221000162 has 8 divisors (see below), whose sum is σ = 155534707692. Its totient is φ = 49376097600.

The previous prime is 101221000117. The next prime is 101221000163. The reversal of 101221000162 is 261000122101.

It can be written as a sum of positive squares in 2 ways, for example, as 100805615001 + 415385161 = 317499^2 + 20381^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101221000163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617201139 + ... + 617201302.

Almost surely, 2^101221000162 is an apocalyptic number.

101221000162 is a deficient number, since it is larger than the sum of its proper divisors (54313707530).

101221000162 is a wasteful number, since it uses less digits than its factorization.

101221000162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234402484.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 101221000162 its reverse (261000122101), we get a palindrome (362221122263).

The spelling of 101221000162 in words is "one hundred one billion, two hundred twenty-one million, one hundred sixty-two", and thus it is an aban number.