1222000100101 has 6 divisors (see below), whose sum is σ = 1343190192806. Its totient is φ = 1110909181800.

The previous prime is 1222000100099. The next prime is 1222000100119. The reversal of 1222000100101 is 1010010002221.

It can be written as a sum of positive squares in only one way, i.e., 932557176100 + 289442924001 = 965690^2 + 537999^2 .

It is not a de Polignac number, because 1222000100101 - 2¹ = 1222000100099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222000106101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5049587070 + ... + 5049587311.

Almost surely, 2^{1222000100101} is an apocalyptic number.

1222000100101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1222000100101 is a deficient number, since it is larger than the sum of its proper divisors (121190092705).

1222000100101 is a wasteful number, since it uses less digits than its factorization.

1222000100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10099174403 (or 10099174392 counting only the distinct ones).

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

Adding to 1222000100101 its reverse (1010010002221), we get a palindrome (2232010102322).

The spelling of 1222000100101 in words is "one trillion, two hundred twenty-two billion, one hundred thousand, one hundred one".