2021210212130 has 16 divisors (see below), whose sum is σ = 3641748742080. Its totient is φ = 807690671472.

The previous prime is 2021210212129. The next prime is 2021210212291. The reversal of 2021210212130 is 312120121202.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2021210212099 and 2021210212108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99165974 + ... + 99186353.

It is an arithmetic number, because the mean of its divisors is an integer number (227609296380).

Almost surely, 2^{2021210212130} is an apocalyptic number.

2021210212130 is a deficient number, since it is larger than the sum of its proper divisors (1620538529950).

2021210212130 is a wasteful number, since it uses less digits than its factorization.

2021210212130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198353353.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2021210212130 its reverse (312120121202), we get a palindrome (2333330333332).

The spelling of 2021210212130 in words is "two trillion, twenty-one billion, two hundred ten million, two hundred twelve thousand, one hundred thirty".