2021222211000 has 64 divisors (see below), whose sum is σ = 6306213307680. Its totient is φ = 538992588800.

The previous prime is 2021222210981. The next prime is 2021222211023. The reversal of 2021222211000 is 1122221202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336867369 + ... + 336873368.

Almost surely, 2^{2021222211000} is an apocalyptic number.

2021222211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021222211000 is an abundant number, since it is smaller than the sum of its proper divisors (4284991096680).

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

2021222211000 is a wasteful number, since it uses less digits than its factorization.

2021222211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673740761 (or 673740747 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2021222211000 its reverse (1122221202), we get a palindrome (2022344432202).

The spelling of 2021222211000 in words is "two trillion, twenty-one billion, two hundred twenty-two million, two hundred eleven thousand".