20221202121002 has 32 divisors (see below), whose sum is σ = 32223086280000. Its totient is φ = 9484143240960.

The previous prime is 20221202120969. The next prime is 20221202121007. The reversal of 20221202121002 is 20012120212202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (20221202121007) 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, 152547749 + ... + 152680247.

It is an arithmetic number, because the mean of its divisors is an integer number (1006971446250).

Almost surely, 2^{20221202121002} is an apocalyptic number.

20221202121002 is a deficient number, since it is larger than the sum of its proper divisors (12001884158998).

20221202121002 is a wasteful number, since it uses less digits than its factorization.

20221202121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147446.

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

Adding to 20221202121002 its reverse (20012120212202), we get a palindrome (40233322333204).

The spelling of 20221202121002 in words is "twenty trillion, two hundred twenty-one billion, two hundred two million, one hundred twenty-one thousand, two".