2121002012022 has 8 divisors (see below), whose sum is σ = 4242004024056. Its totient is φ = 707000670672.

The previous prime is 2121002011981. The next prime is 2121002012023. The reversal of 2121002012022 is 2202102001212.

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

2121002012022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2121002011992 and 2121002012010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121002012023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176750167663 + ... + 176750167674.

It is an arithmetic number, because the mean of its divisors is an integer number (530250503007).

Almost surely, 2^{2121002012022} is an apocalyptic number.

2121002012022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121002012022 is a wasteful number, since it uses less digits than its factorization.

2121002012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353500335342.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2121002012022 its reverse (2202102001212), we get a palindrome (4323104013234).

The spelling of 2121002012022 in words is "two trillion, one hundred twenty-one billion, two million, twelve thousand, twenty-two".