2051322261000 has 64 divisors (see below), whose sum is σ = 6400125463680. Its totient is φ = 547019268800.

The previous prime is 2051322260987. The next prime is 2051322261011. The reversal of 2051322261000 is 1622231502.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 341884044 + ... + 341890043.

It is an arithmetic number, because the mean of its divisors is an integer number (100001960370).

Almost surely, 2^{2051322261000} is an apocalyptic number.

2051322261000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051322261000 is an abundant number, since it is smaller than the sum of its proper divisors (4348803202680).

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

2051322261000 is a wasteful number, since it uses less digits than its factorization.

2051322261000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683774111 (or 683774097 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 2051322261000 its reverse (1622231502), we get a palindrome (2052944492502).

The spelling of 2051322261000 in words is "two trillion, fifty-one billion, three hundred twenty-two million, two hundred sixty-one thousand".