220111020122101 has 8 divisors (see below), whose sum is σ = 220698506613600. Its totient is φ = 219523568992560.

The previous prime is 220111020122087. The next prime is 220111020122129. The reversal of 220111020122101 is 101221020111022.

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 220111020122101 - 2⁵ = 220111020122069 is a prime.

It is a super-4 number, since 4×220111020122101⁴ (a number of 58 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220111020129101) 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, 3648666 + ... + 21296356.

It is an arithmetic number, because the mean of its divisors is an integer number (27587313326700).

Almost surely, 2^{220111020122101} is an apocalyptic number.

It is an amenable number.

220111020122101 is a deficient number, since it is larger than the sum of its proper divisors (587486491499).

220111020122101 is a wasteful number, since it uses less digits than its factorization.

220111020122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17680979.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 220111020122101 its reverse (101221020111022), we get a palindrome (321332040233123).

The spelling of 220111020122101 in words is "two hundred twenty trillion, one hundred eleven billion, twenty million, one hundred twenty-two thousand, one hundred one".