300121011012421 has 16 divisors (see below), whose sum is σ = 301760572449024. Its totient is φ = 298484594763264.

The previous prime is 300121011012413. The next prime is 300121011012437. The reversal of 300121011012421 is 124210110121003.

It is a cyclic number.

It is not a de Polignac number, because 300121011012421 - 2³ = 300121011012413 is a prime.

It is a super-2 number, since 2×300121011012421² (a number of 30 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 (300121011019421) 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, 1003945645 + ... + 1004244541.

It is an arithmetic number, because the mean of its divisors is an integer number (18860035778064).

Almost surely, 2^{300121011012421} is an apocalyptic number.

It is an amenable number.

300121011012421 is a deficient number, since it is larger than the sum of its proper divisors (1639561436603).

300121011012421 is a wasteful number, since it uses less digits than its factorization.

300121011012421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304140.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 300121011012421 its reverse (124210110121003), we get a palindrome (424331121133424).

The spelling of 300121011012421 in words is "three hundred trillion, one hundred twenty-one billion, eleven million, twelve thousand, four hundred twenty-one".