1020210122001 has 32 divisors (see below), whose sum is σ = 1639977292800. Its totient is φ = 551096066880.

The previous prime is 1020210121993. The next prime is 1020210122003. The reversal of 1020210122001 is 1002210120201.

It is not a de Polignac number, because 1020210122001 - 2³ = 1020210121993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020210122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2589291 + ... + 2957168.

It is an arithmetic number, because the mean of its divisors is an integer number (51249290400).

Almost surely, 2^{1020210122001} is an apocalyptic number.

It is an amenable number.

1020210122001 is a deficient number, since it is larger than the sum of its proper divisors (619767170799).

1020210122001 is a wasteful number, since it uses less digits than its factorization.

1020210122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5546949.

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

Adding to 1020210122001 its reverse (1002210120201), we get a palindrome (2022420242202).

The spelling of 1020210122001 in words is "one trillion, twenty billion, two hundred ten million, one hundred twenty-two thousand, one".