210212020210101 has 128 divisors (see below), whose sum is σ = 355006921113600. Its totient is φ = 107689724778240.

The previous prime is 210212020210097. The next prime is 210212020210103. The reversal of 210212020210101 is 101012020212012.

It is not a de Polignac number, because 210212020210101 - 2² = 210212020210097 is a prime.

It is a super-2 number, since 2×210212020210101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210212020210103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3886239066 + ... + 3886293156.

It is an arithmetic number, because the mean of its divisors is an integer number (2773491571200).

Almost surely, 2^{210212020210101} is an apocalyptic number.

210212020210101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

210212020210101 is a deficient number, since it is larger than the sum of its proper divisors (144794900903499).

210212020210101 is a wasteful number, since it uses less digits than its factorization.

210212020210101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56479.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 210212020210101 its reverse (101012020212012), we get a palindrome (311224040422113).

The spelling of 210212020210101 in words is "two hundred ten trillion, two hundred twelve billion, twenty million, two hundred ten thousand, one hundred one".