2101123032002 has 4 divisors (see below), whose sum is σ = 3151684548006. Its totient is φ = 1050561516000.

The previous prime is 2101123031999. The next prime is 2101123032023. The reversal of 2101123032002 is 2002303211012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1434171509761 + 666951522241 = 1197569^2 + 816671^2 .

It is a super-2 number, since 2×2101123032002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525280757999 + ... + 525280758002.

Almost surely, 2^{2101123032002} is an apocalyptic number.

2101123032002 is a deficient number, since it is larger than the sum of its proper divisors (1050561516004).

2101123032002 is a wasteful number, since it uses less digits than its factorization.

2101123032002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050561516003.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2101123032002 its reverse (2002303211012), we get a palindrome (4103426243014).

The spelling of 2101123032002 in words is "two trillion, one hundred one billion, one hundred twenty-three million, thirty-two thousand, two".