2220212102120 has 32 divisors (see below), whose sum is σ = 4995975839400. Its totient is φ = 887996199168.

The previous prime is 2220212102111. The next prime is 2220212102123. The reversal of 2220212102120 is 212012120222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2139122705476 + 81089396644 = 1462574^2 + 284762^2 .

It is not an unprimeable number, because it can be changed into a prime (2220212102123) 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, 2363555 + ... + 3166514.

Almost surely, 2^{2220212102120} is an apocalyptic number.

2220212102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220212102120 is an abundant number, since it is smaller than the sum of its proper divisors (2775763737280).

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

2220212102120 is a wasteful number, since it uses less digits than its factorization.

2220212102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540117 (or 5540113 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2220212102120 its reverse (212012120222), we get a palindrome (2432224222342).

The spelling of 2220212102120 in words is "two trillion, two hundred twenty billion, two hundred twelve million, one hundred two thousand, one hundred twenty".