2251021243334 has 64 divisors (see below), whose sum is σ = 3554298289152. Its totient is φ = 1068124579200.

The previous prime is 2251021243279. The next prime is 2251021243351. The reversal of 2251021243334 is 4333421201522.

It is a self number, because there is not a number n which added to its sum of digits gives 2251021243334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 945408824 + ... + 945411204.

It is an arithmetic number, because the mean of its divisors is an integer number (55535910768).

Almost surely, 2^{2251021243334} is an apocalyptic number.

2251021243334 is a deficient number, since it is larger than the sum of its proper divisors (1303277045818).

2251021243334 is a wasteful number, since it uses less digits than its factorization.

2251021243334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 2251021243334 its reverse (4333421201522), we get a palindrome (6584442444856).

The spelling of 2251021243334 in words is "two trillion, two hundred fifty-one billion, twenty-one million, two hundred forty-three thousand, three hundred thirty-four".