2120454102554 has 16 divisors (see below), whose sum is σ = 3209932877760. Its totient is φ = 1050506806080.

The previous prime is 2120454102553. The next prime is 2120454102587. The reversal of 2120454102554 is 4552014540212.

It is not an unprimeable number, because it can be changed into a prime (2120454102553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7442207 + ... + 7721874.

It is an arithmetic number, because the mean of its divisors is an integer number (200620804860).

Almost surely, 2^{2120454102554} is an apocalyptic number.

2120454102554 is a deficient number, since it is larger than the sum of its proper divisors (1089478775206).

2120454102554 is a wasteful number, since it uses less digits than its factorization.

2120454102554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15164725.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 2120454102554 its reverse (4552014540212), we get a palindrome (6672468642766).

The spelling of 2120454102554 in words is "two trillion, one hundred twenty billion, four hundred fifty-four million, one hundred two thousand, five hundred fifty-four".