2121001002022 has 32 divisors (see below), whose sum is σ = 3854732451840. Its totient is φ = 855902751840.

The previous prime is 2121001002013. The next prime is 2121001002047. The reversal of 2121001002022 is 2202001001212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2121001001993 and 2121001002011.

It is a congruent number.

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, 66025822 + ... + 66057937.

It is an arithmetic number, because the mean of its divisors is an integer number (120460389120).

Almost surely, 2^{2121001002022} is an apocalyptic number.

2121001002022 is a deficient number, since it is larger than the sum of its proper divisors (1733731449818).

2121001002022 is a wasteful number, since it uses less digits than its factorization.

2121001002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132083836.

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

Adding to 2121001002022 its reverse (2202001001212), we get a palindrome (4323002003234).

The spelling of 2121001002022 in words is "two trillion, one hundred twenty-one billion, one million, two thousand, twenty-two".