2120211102220 has 12 divisors (see below), whose sum is σ = 4452443314704. Its totient is φ = 848084440880.

The previous prime is 2120211102203. The next prime is 2120211102241. The reversal of 2120211102220 is 222011120212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2120211102194 and 2120211102203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53005277536 + ... + 53005277575.

It is an arithmetic number, because the mean of its divisors is an integer number (371036942892).

Almost surely, 2^{2120211102220} is an apocalyptic number.

2120211102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120211102220 is an abundant number, since it is smaller than the sum of its proper divisors (2332232212484).

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

2120211102220 is a wasteful number, since it uses less digits than its factorization.

2120211102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106010555120 (or 106010555118 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120211102220 its reverse (222011120212), we get a palindrome (2342222222432).

The spelling of 2120211102220 in words is "two trillion, one hundred twenty billion, two hundred eleven million, one hundred two thousand, two hundred twenty".