1002022120121 has 8 divisors (see below), whose sum is σ = 1093235390688. Its totient is φ = 910828908000.

The previous prime is 1002022120069. The next prime is 1002022120133. The reversal of 1002022120121 is 1210212202001.

1002022120121 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 a de Polignac number, because none of the positive numbers 2^k-1002022120121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002022120096 and 1002022120105.

It is not an unprimeable number, because it can be changed into a prime (1002022120621) 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, 4910060 + ... + 5110061.

It is an arithmetic number, because the mean of its divisors is an integer number (136654423836).

Almost surely, 2^{1002022120121} is an apocalyptic number.

1002022120121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002022120121 is a deficient number, since it is larger than the sum of its proper divisors (91213270567).

1002022120121 is a wasteful number, since it uses less digits than its factorization.

1002022120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10029223.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002022120121 its reverse (1210212202001), we get a palindrome (2212234322122).

The spelling of 1002022120121 in words is "one trillion, two billion, twenty-two million, one hundred twenty thousand, one hundred twenty-one".