211101120020210 has 32 divisors (see below), whose sum is σ = 438564816260352. Its totient is φ = 71660917684800.

The previous prime is 211101120020111. The next prime is 211101120020213. The reversal of 211101120020210 is 12020021101112.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (211101120020213) 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, 14929350782 + ... + 14929364921.

It is an arithmetic number, because the mean of its divisors is an integer number (13705150508136).

Almost surely, 2^{211101120020210} is an apocalyptic number.

211101120020210 is an abundant number, since it is smaller than the sum of its proper divisors (227463696240142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211101120020210 is a wasteful number, since it uses less digits than its factorization.

211101120020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29858715818.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211101120020210 its reverse (12020021101112), we get a palindrome (223121141121322).

The spelling of 211101120020210 in words is "two hundred eleven trillion, one hundred one billion, one hundred twenty million, twenty thousand, two hundred ten".