2002100121022 has 4 divisors (see below), whose sum is σ = 3003150181536. Its totient is φ = 1001050060510.

The previous prime is 2002100121017. The next prime is 2002100121023. The reversal of 2002100121022 is 2201210012002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2002100120993 and 2002100121011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002100121023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500525030254 + ... + 500525030257.

It is an arithmetic number, because the mean of its divisors is an integer number (750787545384).

Almost surely, 2^{2002100121022} is an apocalyptic number.

2002100121022 is a deficient number, since it is larger than the sum of its proper divisors (1001050060514).

2002100121022 is a wasteful number, since it uses less digits than its factorization.

2002100121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001050060513.

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

Adding to 2002100121022 its reverse (2201210012002), we get a palindrome (4203310133024).

The spelling of 2002100121022 in words is "two trillion, two billion, one hundred million, one hundred twenty-one thousand, twenty-two".