2121210101202 has 16 divisors (see below), whose sum is σ = 4252217944800. Its totient is φ = 705437076672.

The previous prime is 2121210101201. The next prime is 2121210101221. The reversal of 2121210101202 is 2021010121212.

It is a super-3 number, since 3×2121210101202³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2121210101201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408236452 + ... + 408241647.

It is an arithmetic number, because the mean of its divisors is an integer number (265763621550).

Almost surely, 2^{2121210101202} is an apocalyptic number.

2121210101202 is an abundant number, since it is smaller than the sum of its proper divisors (2131007843598).

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

2121210101202 is a wasteful number, since it uses less digits than its factorization.

2121210101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816478537.

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

Adding to 2121210101202 its reverse (2021010121212), we get a palindrome (4142220222414).

The spelling of 2121210101202 in words is "two trillion, one hundred twenty-one billion, two hundred ten million, one hundred one thousand, two hundred two".