215022107011 has 4 divisors (see below), whose sum is σ = 219079127952. Its totient is φ = 210965086072.

The previous prime is 215022106997. The next prime is 215022107107. The reversal of 215022107011 is 110701220512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 215022107011 - 2⁵ = 215022106979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215022107411) 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, 2028510391 + ... + 2028510496.

It is an arithmetic number, because the mean of its divisors is an integer number (54769781988).

Almost surely, 2^215022107011 is an apocalyptic number.

215022107011 is a deficient number, since it is larger than the sum of its proper divisors (4057020941).

215022107011 is an equidigital number, since it uses as much as digits as its factorization.

215022107011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057020940.

The product of its (nonzero) digits is 280, while the sum is 22.

Adding to 215022107011 its reverse (110701220512), we get a palindrome (325723327523).

The spelling of 215022107011 in words is "two hundred fifteen billion, twenty-two million, one hundred seven thousand, eleven".