2212121323030 has 8 divisors (see below), whose sum is σ = 3981818381472. Its totient is φ = 884848529208.

The previous prime is 2212121323001. The next prime is 2212121323031. The reversal of 2212121323030 is 303231212122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2212121322992 and 2212121323010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212121323031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110606066142 + ... + 110606066161.

It is an arithmetic number, because the mean of its divisors is an integer number (497727297684).

Almost surely, 2^{2212121323030} is an apocalyptic number.

2212121323030 is a deficient number, since it is larger than the sum of its proper divisors (1769697058442).

2212121323030 is a wasteful number, since it uses less digits than its factorization.

2212121323030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221212132310.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2212121323030 its reverse (303231212122), we get a palindrome (2515352535152).

The spelling of 2212121323030 in words is "two trillion, two hundred twelve billion, one hundred twenty-one million, three hundred twenty-three thousand, thirty".