1421033021001 has 48 divisors (see below), whose sum is σ = 2312540385792. Its totient is φ = 833052211200.

The previous prime is 1421033020963. The next prime is 1421033021021. The reversal of 1421033021001 is 1001203301241.

1421033021001 is a `hidden beast` number, since 1 + 421 + 0 + 3 + 30 + 210 + 0 + 1 = 666.

It is not a de Polignac number, because 1421033021001 - 2¹³ = 1421033012809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421033021021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6375231 + ... + 6594363.

It is an arithmetic number, because the mean of its divisors is an integer number (48177924704).

Almost surely, 2^{1421033021001} is an apocalyptic number.

1421033021001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1421033021001 is a deficient number, since it is larger than the sum of its proper divisors (891507364791).

1421033021001 is a wasteful number, since it uses less digits than its factorization.

1421033021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221294 (or 221291 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1421033021001 its reverse (1001203301241), we get a palindrome (2422236322242).

The spelling of 1421033021001 in words is "one trillion, four hundred twenty-one billion, thirty-three million, twenty-one thousand, one".