2021111002097 has 8 divisors (see below), whose sum is σ = 2206566891360. Its totient is φ = 1835941533760.

The previous prime is 2021111002033. The next prime is 2021111002139. The reversal of 2021111002097 is 7902001111202.

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 2021111002097 - 2⁶ = 2021111002033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021111002597) 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, 71590472 + ... + 71618697.

It is an arithmetic number, because the mean of its divisors is an integer number (275820861420).

Almost surely, 2^{2021111002097} is an apocalyptic number.

It is an amenable number.

2021111002097 is a deficient number, since it is larger than the sum of its proper divisors (185455889263).

2021111002097 is a wasteful number, since it uses less digits than its factorization.

2021111002097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143210463.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 2021111002097 its reverse (7902001111202), we get a palindrome (9923112113299).

The spelling of 2021111002097 in words is "two trillion, twenty-one billion, one hundred eleven million, two thousand, ninety-seven".