2122121002 has 8 divisors (see below), whose sum is σ = 3185385696. Its totient is φ = 1060325772.

The previous prime is 2122120991. The next prime is 2122121003. The reversal of 2122121002 is 2001212212.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2122121003) 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, 363748 + ... + 369535.

It is an arithmetic number, because the mean of its divisors is an integer number (398173212).

Almost surely, 2^2122121002 is an apocalyptic number.

2122121002 is a deficient number, since it is larger than the sum of its proper divisors (1063264694).

2122121002 is a wasteful number, since it uses less digits than its factorization.

2122121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734732.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2122121002 is about 46066.4845847825. The cubic root of 2122121002 is about 1285.0599278627.

Adding to 2122121002 its reverse (2001212212), we get a palindrome (4123333214).

The spelling of 2122121002 in words is "two billion, one hundred twenty-two million, one hundred twenty-one thousand, two".