2101021011001 has 8 divisors (see below), whose sum is σ = 2296405380384. Its totient is φ = 1906367051520.

The previous prime is 2101021010953. The next prime is 2101021011017. The reversal of 2101021011001 is 1001101201012.

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 2101021011001 - 2³¹ = 2098873527353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101021011101) 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, 182596456 + ... + 182607961.

It is an arithmetic number, because the mean of its divisors is an integer number (287050672548).

Almost surely, 2^{2101021011001} is an apocalyptic number.

It is an amenable number.

2101021011001 is a deficient number, since it is larger than the sum of its proper divisors (195384369383).

2101021011001 is a wasteful number, since it uses less digits than its factorization.

2101021011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365204951.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2101021011001 its reverse (1001101201012), we get a palindrome (3102122212013).

The spelling of 2101021011001 in words is "two trillion, one hundred one billion, twenty-one million, eleven thousand, one".