213406771011 has 8 divisors (see below), whose sum is σ = 325191270144. Its totient is φ = 121946726280.

The previous prime is 213406771001. The next prime is 213406771031. The reversal of 213406771011 is 110177604312.

It is a happy number.

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

It is not a de Polignac number, because 213406771011 - 2¹⁷ = 213406639939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213406771001) 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, 5081113575 + ... + 5081113616.

It is an arithmetic number, because the mean of its divisors is an integer number (40648908768).

Almost surely, 2^213406771011 is an apocalyptic number.

213406771011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

213406771011 is a deficient number, since it is larger than the sum of its proper divisors (111784499133).

213406771011 is a wasteful number, since it uses less digits than its factorization.

213406771011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10162227201.

The product of its (nonzero) digits is 7056, while the sum is 33.

The spelling of 213406771011 in words is "two hundred thirteen billion, four hundred six million, seven hundred seventy-one thousand, eleven".