2021220011012 has 12 divisors (see below), whose sum is σ = 3545012828700. Its totient is φ = 1008359202816.

The previous prime is 2021220010993. The next prime is 2021220011023. The reversal of 2021220011012 is 2101100221202.

It can be written as a sum of positive squares in 2 ways, for example, as 771980133376 + 1249239877636 = 878624^2 + 1117694^2 .

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, 562698653 + ... + 562702244.

It is an arithmetic number, because the mean of its divisors is an integer number (295417735725).

Almost surely, 2^{2021220011012} is an apocalyptic number.

It is an amenable number.

2021220011012 is a deficient number, since it is larger than the sum of its proper divisors (1523792817688).

2021220011012 is a wasteful number, since it uses less digits than its factorization.

2021220011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125401350 (or 1125401348 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2021220011012 its reverse (2101100221202), we get a palindrome (4122320232214).

The spelling of 2021220011012 in words is "two trillion, twenty-one billion, two hundred twenty million, eleven thousand, twelve".