2101021203331 has 8 divisors (see below), whose sum is σ = 2149993737584. Its totient is φ = 2052053740800.

The previous prime is 2101021203317. The next prime is 2101021203383. The reversal of 2101021203331 is 1333021201012.

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

It is a cyclic number.

It is not a de Polignac number, because 2101021203331 - 2¹¹ = 2101021201283 is a prime.

It is a super-2 number, since 2×2101021203331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101021203299 and 2101021203308.

It is not an unprimeable number, because it can be changed into a prime (2101021203311) 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, 423270 + ... + 2093131.

It is an arithmetic number, because the mean of its divisors is an integer number (268749217198).

Almost surely, 2^{2101021203331} is an apocalyptic number.

2101021203331 is a deficient number, since it is larger than the sum of its proper divisors (48972534253).

2101021203331 is a wasteful number, since it uses less digits than its factorization.

2101021203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535861.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2101021203331 its reverse (1333021201012), we get a palindrome (3434042404343).

The spelling of 2101021203331 in words is "two trillion, one hundred one billion, twenty-one million, two hundred three thousand, three hundred thirty-one".