2120021110212 has 24 divisors (see below), whose sum is σ = 4950676500000. Its totient is φ = 706107906816.

The previous prime is 2120021110147. The next prime is 2120021110243. The reversal of 2120021110212 is 2120111200212.

It is a junction number, because it is equal to n+sod(n) for n = 2120021110191 and 2120021110200.

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, 70708962 + ... + 70738937.

It is an arithmetic number, because the mean of its divisors is an integer number (206278187500).

Almost surely, 2^{2120021110212} is an apocalyptic number.

It is an amenable number.

2120021110212 is an abundant number, since it is smaller than the sum of its proper divisors (2830655389788).

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

2120021110212 is a wasteful number, since it uses less digits than its factorization.

2120021110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141449155 (or 141449153 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2120021110212 its reverse (2120111200212), we get a palindrome (4240132310424).

The spelling of 2120021110212 in words is "two trillion, one hundred twenty billion, twenty-one million, one hundred ten thousand, two hundred twelve".