420121240311 has 16 divisors (see below), whose sum is σ = 560936526848. Its totient is φ = 279693648000.

The previous prime is 420121240303. The next prime is 420121240327. The reversal of 420121240311 is 113042121024.

It is not a de Polignac number, because 420121240311 - 2³ = 420121240303 is a prime.

It is a super-2 number, since 2×420121240311² (a number of 24 digits) 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 (420121240111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6823215 + ... + 6884511.

It is an arithmetic number, because the mean of its divisors is an integer number (35058532928).

Almost surely, 2^420121240311 is an apocalyptic number.

420121240311 is a deficient number, since it is larger than the sum of its proper divisors (140815286537).

420121240311 is a wasteful number, since it uses less digits than its factorization.

420121240311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64422.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 420121240311 its reverse (113042121024), we get a palindrome (533163361335).

The spelling of 420121240311 in words is "four hundred twenty billion, one hundred twenty-one million, two hundred forty thousand, three hundred eleven".