1011204413421 has 8 divisors (see below), whose sum is σ = 1348378010304. Its totient is φ = 674083546080.

The previous prime is 1011204413389. The next prime is 1011204413437. The reversal of 1011204413421 is 1243144021101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1011204413421 - 2⁵ = 1011204413389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1011204413391 and 1011204413400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011204413441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13137616 + ... + 13214361.

It is an arithmetic number, because the mean of its divisors is an integer number (168547251288).

Almost surely, 2^{1011204413421} is an apocalyptic number.

It is an amenable number.

1011204413421 is a deficient number, since it is larger than the sum of its proper divisors (337173596883).

1011204413421 is a wasteful number, since it uses less digits than its factorization.

1011204413421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26364771.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1011204413421 its reverse (1243144021101), we get a palindrome (2254348434522).

The spelling of 1011204413421 in words is "one trillion, eleven billion, two hundred four million, four hundred thirteen thousand, four hundred twenty-one".