211020020022101 has 16 divisors (see below), whose sum is σ = 213527972855808. Its totient is φ = 208521383070000.

The previous prime is 211020020022089. The next prime is 211020020022121. The reversal of 211020020022101 is 101220020020112.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211020020022101 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 (211020020022121) 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, 87672476 + ... + 90047226.

It is an arithmetic number, because the mean of its divisors is an integer number (13345498303488).

Almost surely, 2^{211020020022101} is an apocalyptic number.

It is an amenable number.

211020020022101 is a deficient number, since it is larger than the sum of its proper divisors (2507952833707).

211020020022101 is a wasteful number, since it uses less digits than its factorization.

211020020022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376712.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211020020022101 its reverse (101220020020112), we get a palindrome (312240040042213).

The spelling of 211020020022101 in words is "two hundred eleven trillion, twenty billion, twenty million, twenty-two thousand, one hundred one".