101001222101 has 4 divisors (see below), whose sum is σ = 108770546892. Its totient is φ = 93231897312.

The previous prime is 101001222097. The next prime is 101001222121. The reversal of 101001222101 is 101222100101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49653208900 + 51348013201 = 222830^2 + 226601^2 .

It is a cyclic number.

It is not a de Polignac number, because 101001222101 - 2² = 101001222097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001222121) 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, 3884662376 + ... + 3884662401.

It is an arithmetic number, because the mean of its divisors is an integer number (27192636723).

Almost surely, 2^101001222101 is an apocalyptic number.

It is an amenable number.

101001222101 is a deficient number, since it is larger than the sum of its proper divisors (7769324791).

101001222101 is an equidigital number, since it uses as much as digits as its factorization.

101001222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7769324790.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101001222101 its reverse (101222100101), we get a palindrome (202223322202).

The spelling of 101001222101 in words is "one hundred one billion, one million, two hundred twenty-two thousand, one hundred one".