1022000002121 has 16 divisors (see below), whose sum is σ = 1173991467264. Its totient is φ = 871515215424.

The previous prime is 1022000002109. The next prime is 1022000002129. The reversal of 1022000002121 is 1212000002201.

It is a happy number.

It is not a de Polignac number, because 1022000002121 - 2⁶ = 1022000002057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022000002129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1026971 + ... + 1760303.

It is an arithmetic number, because the mean of its divisors is an integer number (73374466704).

Almost surely, 2^{1022000002121} is an apocalyptic number.

It is an amenable number.

1022000002121 is a deficient number, since it is larger than the sum of its proper divisors (151991465143).

1022000002121 is an equidigital number, since it uses as much as digits as its factorization.

1022000002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734360.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1022000002121 its reverse (1212000002201), we get a palindrome (2234000004322).

The spelling of 1022000002121 in words is "one trillion, twenty-two billion, two thousand, one hundred twenty-one".