2120101571064 has 32 divisors (see below), whose sum is σ = 5352731695440. Its totient is φ = 699703488000.

The previous prime is 2120101571053. The next prime is 2120101571069. The reversal of 2120101571064 is 4601751010212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120101571069) 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, 437312257 + ... + 437317104.

Almost surely, 2^{2120101571064} is an apocalyptic number.

2120101571064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2120101571064 is an abundant number, since it is smaller than the sum of its proper divisors (3232630124376).

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

2120101571064 is a wasteful number, since it uses less digits than its factorization.

2120101571064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874629471 (or 874629467 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 2120101571064 its reverse (4601751010212), we get a palindrome (6721852581276).

The spelling of 2120101571064 in words is "two trillion, one hundred twenty billion, one hundred one million, five hundred seventy-one thousand, sixty-four".