2021101201210 has 96 divisors (see below), whose sum is σ = 4755623467392. Its totient is φ = 611834509440.

The previous prime is 2021101201103. The next prime is 2021101201213. The reversal of 2021101201210 is 121021011202.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2021101201213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6750976 + ... + 7043995.

It is an arithmetic number, because the mean of its divisors is an integer number (49537744452).

Almost surely, 2^{2021101201210} is an apocalyptic number.

2021101201210 is an abundant number, since it is smaller than the sum of its proper divisors (2734522266182).

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

2021101201210 is a wasteful number, since it uses less digits than its factorization.

2021101201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13795028 (or 13795021 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2021101201210 its reverse (121021011202), we get a palindrome (2142122212412).

The spelling of 2021101201210 in words is "two trillion, twenty-one billion, one hundred one million, two hundred one thousand, two hundred ten".