1202201101 has 4 divisors (see below), whose sum is σ = 1204307104. Its totient is φ = 1200095100.

The previous prime is 1202201089. The next prime is 1202201107. The reversal of 1202201101 is 1011022021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1011022021 = 5227 ⋅193423.

It is a cyclic number.

It is not a de Polignac number, because 1202201101 - 2⁵ = 1202201069 is a prime.

It is a super-2 number, since 2×1202201101² = 2890574974491224402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202201107) 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, 1052145 + ... + 1053286.

It is an arithmetic number, because the mean of its divisors is an integer number (301076776).

Almost surely, 2^1202201101 is an apocalyptic number.

It is an amenable number.

1202201101 is a deficient number, since it is larger than the sum of its proper divisors (2106003).

1202201101 is an equidigital number, since it uses as much as digits as its factorization.

1202201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106002.

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

The square root of 1202201101 is about 34672.7717524861. The cubic root of 1202201101 is about 1063.3078997879.

Adding to 1202201101 its reverse (1011022021), we get a palindrome (2213223122).

The spelling of 1202201101 in words is "one billion, two hundred two million, two hundred one thousand, one hundred one".