2021001100102 has 8 divisors (see below), whose sum is σ = 3031507864512. Its totient is φ = 1010498478600.

The previous prime is 2021001100057. The next prime is 2021001100133. The reversal of 2021001100102 is 2010011001202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2021001100102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929952 + ... + 2215132.

It is an arithmetic number, because the mean of its divisors is an integer number (378938483064).

Almost surely, 2^{2021001100102} is an apocalyptic number.

2021001100102 is a deficient number, since it is larger than the sum of its proper divisors (1010506764410).

2021001100102 is a wasteful number, since it uses less digits than its factorization.

2021001100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071454.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2021001100102 its reverse (2010011001202), we get a palindrome (4031012101304).

It can be divided in two parts, 2021001100 and 102, that added together give a palindrome (2021001202).

The spelling of 2021001100102 in words is "two trillion, twenty-one billion, one million, one hundred thousand, one hundred two".