2122020001000 has 32 divisors (see below), whose sum is σ = 4965526804680. Its totient is φ = 848808000000.

The previous prime is 2122020000983. The next prime is 2122020001027. The reversal of 2122020001000 is 1000202212.

It can be written as a sum of positive squares in 4 ways, for example, as 439120926244 + 1682899074756 = 662662^2 + 1297266^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 1061009001 + ... + 1061011000.

Almost surely, 2^{2122020001000} is an apocalyptic number.

2122020001000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122020001000 is an abundant number, since it is smaller than the sum of its proper divisors (2843506803680).

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

2122020001000 is a wasteful number, since it uses less digits than its factorization.

2122020001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122020022 (or 2122020008 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2122020001000 its reverse (1000202212), we get a palindrome (2123020203212).

The spelling of 2122020001000 in words is "two trillion, one hundred twenty-two billion, twenty million, one thousand".