421153011 has 12 divisors (see below), whose sum is σ = 627956160. Its totient is φ = 271711440.

The previous prime is 421153009. The next prime is 421153013. The reversal of 421153011 is 110351124.

It is an interprime number because it is at equal distance from previous prime (421153009) and next prime (421153013).

It is not a de Polignac number, because 421153011 - 2¹ = 421153009 is a prime.

It is a super-2 number, since 2×421153011² = 354739717348732242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421153013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 754476 + ... + 755033.

It is an arithmetic number, because the mean of its divisors is an integer number (52329680).

Almost surely, 2^421153011 is an apocalyptic number.

421153011 is a deficient number, since it is larger than the sum of its proper divisors (206803149).

421153011 is a wasteful number, since it uses less digits than its factorization.

421153011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509546 (or 1509543 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 421153011 is about 20522.0128398751. The cubic root of 421153011 is about 749.5719103655.

The spelling of 421153011 in words is "four hundred twenty-one million, one hundred fifty-three thousand, eleven".