421011121201 has 32 divisors (see below), whose sum is σ = 492030443520. Its totient is φ = 356595892800.

The previous prime is 421011121169. The next prime is 421011121231. The reversal of 421011121201 is 102121110124.

It is a cyclic number.

It is not a de Polignac number, because 421011121201 - 2⁵ = 421011121169 is a prime.

It is a super-2 number, since 2×421011121201² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421011121231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 953616 + ... + 1323406.

It is an arithmetic number, because the mean of its divisors is an integer number (15375951360).

Almost surely, 2^421011121201 is an apocalyptic number.

It is an amenable number.

421011121201 is a deficient number, since it is larger than the sum of its proper divisors (71019322319).

421011121201 is a wasteful number, since it uses less digits than its factorization.

421011121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369957.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 421011121201 its reverse (102121110124), we get a palindrome (523132231325).

The spelling of 421011121201 in words is "four hundred twenty-one billion, eleven million, one hundred twenty-one thousand, two hundred one".