421101022 has 8 divisors (see below), whose sum is σ = 631877400. Its totient is φ = 210475224.

The previous prime is 421101019. The next prime is 421101029. The reversal of 421101022 is 220101124.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 421100993 and 421101011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421101029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30372 + ... + 42007.

It is an arithmetic number, because the mean of its divisors is an integer number (78984675).

Almost surely, 2^421101022 is an apocalyptic number.

421101022 is a deficient number, since it is larger than the sum of its proper divisors (210776378).

421101022 is a wasteful number, since it uses less digits than its factorization.

421101022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75290.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 421101022 is about 20520.7461365322. The cubic root of 421101022 is about 749.5410655999.

Adding to 421101022 its reverse (220101124), we get a palindrome (641202146).

The spelling of 421101022 in words is "four hundred twenty-one million, one hundred one thousand, twenty-two".