1022121002001 has 8 divisors (see below), whose sum is σ = 1486721457504. Its totient is φ = 619467273920.

The previous prime is 1022121001987. The next prime is 1022121002027. The reversal of 1022121002001 is 1002001212201.

1022121002001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1022121002001 - 2¹¹ = 1022120999953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022121002051) 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, 15486681816 + ... + 15486681881.

It is an arithmetic number, because the mean of its divisors is an integer number (185840182188).

Almost surely, 2^{1022121002001} is an apocalyptic number.

1022121002001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1022121002001 is a deficient number, since it is larger than the sum of its proper divisors (464600455503).

1022121002001 is a wasteful number, since it uses less digits than its factorization.

1022121002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30973363711.

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

Adding to 1022121002001 its reverse (1002001212201), we get a palindrome (2024122214202).

The spelling of 1022121002001 in words is "one trillion, twenty-two billion, one hundred twenty-one million, two thousand, one".