2120105142454 has 16 divisors (see below), whose sum is σ = 3471700099392. Its totient is φ = 965105817408.

The previous prime is 2120105142431. The next prime is 2120105142521. The reversal of 2120105142454 is 4542415010212.

It is a congruent number.

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, 558508414 + ... + 558512209.

It is an arithmetic number, because the mean of its divisors is an integer number (216981256212).

Almost surely, 2^{2120105142454} is an apocalyptic number.

2120105142454 is a deficient number, since it is larger than the sum of its proper divisors (1351594956938).

2120105142454 is a wasteful number, since it uses less digits than its factorization.

2120105142454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117020711.

The product of its (nonzero) digits is 12800, while the sum is 31.

The spelling of 2120105142454 in words is "two trillion, one hundred twenty billion, one hundred five million, one hundred forty-two thousand, four hundred fifty-four".