1421121202311 has 8 divisors (see below), whose sum is σ = 1894924245760. Its totient is φ = 947366146872.

The previous prime is 1421121202283. The next prime is 1421121202379. The reversal of 1421121202311 is 1132021211241.

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

It is not a de Polignac number, because 1421121202311 - 2⁶ = 1421121202247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421121202411) 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 in 7 ways as a sum of consecutive naturals, for example, 11927845 + ... + 12046398.

It is an arithmetic number, because the mean of its divisors is an integer number (236865530720).

Almost surely, 2^{1421121202311} is an apocalyptic number.

1421121202311 is a deficient number, since it is larger than the sum of its proper divisors (473803043449).

1421121202311 is a wasteful number, since it uses less digits than its factorization.

1421121202311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23994005.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 1421121202311 its reverse (1132021211241), we get a palindrome (2553142413552).

The spelling of 1421121202311 in words is "one trillion, four hundred twenty-one billion, one hundred twenty-one million, two hundred two thousand, three hundred eleven".