22102102020001 has 4 divisors (see below), whose sum is σ = 22102519968900. Its totient is φ = 22101684071104.

The previous prime is 22102102019969. The next prime is 22102102020017. The reversal of 22102102020001 is 10002020120122.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12752719499025 + 9349382520976 = 3571095^2 + 3057676^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102102020001 - 2⁵ = 22102102019969 is a prime.

It is a super-3 number, since 3×22102102020001³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102102020041) 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, 208895116 + ... + 209000893.

It is an arithmetic number, because the mean of its divisors is an integer number (5525629992225).

Almost surely, 2^{22102102020001} is an apocalyptic number.

It is an amenable number.

22102102020001 is a deficient number, since it is larger than the sum of its proper divisors (417948899).

22102102020001 is an equidigital number, since it uses as much as digits as its factorization.

22102102020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417948898.

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

Adding to 22102102020001 its reverse (10002020120122), we get a palindrome (32104122140123).

The spelling of 22102102020001 in words is "twenty-two trillion, one hundred two billion, one hundred two million, twenty thousand, one".