401214011021 has 8 divisors (see below), whose sum is σ = 404127402720. Its totient is φ = 398310718608.

The previous prime is 401214010999. The next prime is 401214011027. The reversal of 401214011021 is 120110412104.

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

It is a cyclic number.

It is not a de Polignac number, because 401214011021 - 2⁶ = 401214010957 is a prime.

It is a super-3 number, since 3×401214011021³ (a number of 36 digits) contains 333 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 (401214011027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2445071 + ... + 2603996.

It is an arithmetic number, because the mean of its divisors is an integer number (50515925340).

Almost surely, 2^401214011021 is an apocalyptic number.

It is an amenable number.

401214011021 is a deficient number, since it is larger than the sum of its proper divisors (2913391699).

401214011021 is a wasteful number, since it uses less digits than its factorization.

401214011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049643.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 401214011021 its reverse (120110412104), we get a palindrome (521324423125).

The spelling of 401214011021 in words is "four hundred one billion, two hundred fourteen million, eleven thousand, twenty-one".