219890220011 has 8 divisors (see below), whose sum is σ = 274148845824. Its totient is φ = 171343028520.

The previous prime is 219890220007. The next prime is 219890220023. The reversal of 219890220011 is 110022098912.

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 219890220011 - 2² = 219890220007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (219890220811) 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, 1427858495 + ... + 1427858648.

It is an arithmetic number, because the mean of its divisors is an integer number (34268605728).

Almost surely, 2^219890220011 is an apocalyptic number.

219890220011 is a deficient number, since it is larger than the sum of its proper divisors (54258625813).

219890220011 is a wasteful number, since it uses less digits than its factorization.

219890220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855717161.

The product of its (nonzero) digits is 5184, while the sum is 35.

It can be divided in two parts, 2198 and 90220011, that added together give a palindrome (90222209).

The spelling of 219890220011 in words is "two hundred nineteen billion, eight hundred ninety million, two hundred twenty thousand, eleven".