1021012022001 has 8 divisors (see below), whose sum is σ = 1381668010144. Its totient is φ = 670515357600.

The previous prime is 1021012021973. The next prime is 1021012022003. The reversal of 1021012022001 is 1002202101201.

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

It is not a de Polignac number, because 1021012022001 - 2⁹ = 1021012021489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021012022003) 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, 2539830700 + ... + 2539831101.

It is an arithmetic number, because the mean of its divisors is an integer number (172708501268).

Almost surely, 2^{1021012022001} is an apocalyptic number.

It is an amenable number.

1021012022001 is a deficient number, since it is larger than the sum of its proper divisors (360655988143).

1021012022001 is an equidigital number, since it uses as much as digits as its factorization.

1021012022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079661871.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1021012022001 its reverse (1002202101201), we get a palindrome (2023214123202).

The spelling of 1021012022001 in words is "one trillion, twenty-one billion, twelve million, twenty-two thousand, one".