100021222201211 has 32 divisors (see below), whose sum is σ = 104764101995520. Its totient is φ = 95312055573504.

The previous prime is 100021222201183. The next prime is 100021222201273. The reversal of 100021222201211 is 112102222120001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100021222201211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100021222201211.

It is not an unprimeable number, because it can be changed into a prime (100021222207211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23407725971 + ... + 23407730243.

It is an arithmetic number, because the mean of its divisors is an integer number (3273878187360).

Almost surely, 2^{100021222201211} is an apocalyptic number.

100021222201211 is a deficient number, since it is larger than the sum of its proper divisors (4742879794309).

100021222201211 is a wasteful number, since it uses less digits than its factorization.

100021222201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8075.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100021222201211 its reverse (112102222120001), we get a palindrome (212123444321212).

The spelling of 100021222201211 in words is "one hundred trillion, twenty-one billion, two hundred twenty-two million, two hundred one thousand, two hundred eleven".