101220010106 has 4 divisors (see below), whose sum is σ = 151830015162. Its totient is φ = 50610005052.

The previous prime is 101220010103. The next prime is 101220010117. The reversal of 101220010106 is 601010022101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601010022101 = 3253 ⋅184755617.

It can be written as a sum of positive squares in only one way, i.e., 100241258881 + 978751225 = 316609^2 + 31285^2 .

It is not an unprimeable number, because it can be changed into a prime (101220010103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25305002525 + ... + 25305002528.

Almost surely, 2^101220010106 is an apocalyptic number.

101220010106 is a deficient number, since it is larger than the sum of its proper divisors (50610005056).

101220010106 is an equidigital number, since it uses as much as digits as its factorization.

101220010106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50610005055.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101220010106 its reverse (601010022101), we get a palindrome (702230032207).

The spelling of 101220010106 in words is "one hundred one billion, two hundred twenty million, ten thousand, one hundred six".