2123021030302 has 16 divisors (see below), whose sum is σ = 3209712003072. Its totient is φ = 1053117578520.

The previous prime is 2123021030281. The next prime is 2123021030309. The reversal of 2123021030302 is 2030301203212.

It is a super-2 number, since 2×2123021030302² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2123021030302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123021030309) 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, 8740477 + ... + 8980087.

It is an arithmetic number, because the mean of its divisors is an integer number (200607000192).

Almost surely, 2^{2123021030302} is an apocalyptic number.

2123021030302 is a deficient number, since it is larger than the sum of its proper divisors (1086690972770).

2123021030302 is a wasteful number, since it uses less digits than its factorization.

2123021030302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274623.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 2123021030302 its reverse (2030301203212), we get a palindrome (4153322233514).

The spelling of 2123021030302 in words is "two trillion, one hundred twenty-three billion, twenty-one million, thirty thousand, three hundred two".