2021121222002 has 32 divisors (see below), whose sum is σ = 3194555544000. Its totient is φ = 956380324608.

The previous prime is 2021121221993. The next prime is 2021121222011. The reversal of 2021121222002 is 2002221211202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2021121221993) and next prime (2021121222011).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179283038 + ... + 179294310.

It is an arithmetic number, because the mean of its divisors is an integer number (99829860750).

Almost surely, 2^{2021121222002} is an apocalyptic number.

2021121222002 is a deficient number, since it is larger than the sum of its proper divisors (1173434321998).

2021121222002 is a wasteful number, since it uses less digits than its factorization.

2021121222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021121222002 its reverse (2002221211202), we get a palindrome (4023342433204).

The spelling of 2021121222002 in words is "two trillion, twenty-one billion, one hundred twenty-one million, two hundred twenty-two thousand, two".