220011111102021 has 8 divisors (see below), whose sum is σ = 296039415550560. Its totient is φ = 145328440360752.

The previous prime is 220011111102011. The next prime is 220011111102023. The reversal of 220011111102021 is 120201111110022.

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 220011111102021 - 2⁵ = 220011111101989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220011111102023) 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, 336408426435 + ... + 336408427088.

It is an arithmetic number, because the mean of its divisors is an integer number (37004926943820).

Almost surely, 2^{220011111102021} is an apocalyptic number.

It is an amenable number.

220011111102021 is a deficient number, since it is larger than the sum of its proper divisors (76028304448539).

220011111102021 is a wasteful number, since it uses less digits than its factorization.

220011111102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672816853635.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220011111102021 its reverse (120201111110022), we get a palindrome (340212222212043).

The spelling of 220011111102021 in words is "two hundred twenty trillion, eleven billion, one hundred eleven million, one hundred two thousand, twenty-one".