220001002022101 has 16 divisors (see below), whose sum is σ = 231029186776960. Its totient is φ = 209309941149120.

The previous prime is 220001002022089. The next prime is 220001002022107. The reversal of 220001002022101 is 101220200100022.

It is a happy number.

220001002022101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 220001002022101 - 2⁹ = 220001002021589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220001002022107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 406884246 + ... + 407424583.

It is an arithmetic number, because the mean of its divisors is an integer number (14439324173560).

Almost surely, 2^{220001002022101} is an apocalyptic number.

It is an amenable number.

220001002022101 is a deficient number, since it is larger than the sum of its proper divisors (11028184754859).

220001002022101 is a wasteful number, since it uses less digits than its factorization.

220001002022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814309036.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220001002022101 its reverse (101220200100022), we get a palindrome (321221202122123).

The spelling of 220001002022101 in words is "two hundred twenty trillion, one billion, two million, twenty-two thousand, one hundred one".