1101201102421 has 16 divisors (see below), whose sum is σ = 1328362946560. Its totient is φ = 891771839280.

The previous prime is 1101201102329. The next prime is 1101201102427. The reversal of 1101201102421 is 1242011021011.

It is not a de Polignac number, because 1101201102421 - 2¹⁹ = 1101200578133 is a prime.

It is a super-2 number, since 2×1101201102421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101201102395 and 1101201102404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101201102427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11231445 + ... + 11329066.

It is an arithmetic number, because the mean of its divisors is an integer number (83022684160).

Almost surely, 2^{1101201102421} is an apocalyptic number.

It is an amenable number.

1101201102421 is a deficient number, since it is larger than the sum of its proper divisors (227161844139).

1101201102421 is a wasteful number, since it uses less digits than its factorization.

1101201102421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22560904.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1101201102421 its reverse (1242011021011), we get a palindrome (2343212123432).

The spelling of 1101201102421 in words is "one trillion, one hundred one billion, two hundred one million, one hundred two thousand, four hundred twenty-one".