2121202033230 has 128 divisors (see below), whose sum is σ = 6192319684608. Its totient is φ = 453961285632.

The previous prime is 2121202033201. The next prime is 2121202033241. The reversal of 2121202033230 is 323302021212.

It is a happy number.

It is a super-3 number, since 3×2121202033230³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 2121202033197 and 2121202033206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 850302 + ... + 2228321.

It is an arithmetic number, because the mean of its divisors is an integer number (48377497536).

Almost surely, 2^{2121202033230} is an apocalyptic number.

2121202033230 is an abundant number, since it is smaller than the sum of its proper divisors (4071117651378).

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

2121202033230 is a wasteful number, since it uses less digits than its factorization.

2121202033230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078850.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2121202033230 its reverse (323302021212), we get a palindrome (2444504054442).

The spelling of 2121202033230 in words is "two trillion, one hundred twenty-one billion, two hundred two million, thirty-three thousand, two hundred thirty".