211121020022002 has 32 divisors (see below), whose sum is σ = 336562531833600. Its totient is φ = 98979918390528.

The previous prime is 211121020021981. The next prime is 211121020022009. The reversal of 211121020022002 is 200220020121112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211121020022009) 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, 587935749 + ... + 588294727.

It is an arithmetic number, because the mean of its divisors is an integer number (10517579119800).

Almost surely, 2^{211121020022002} is an apocalyptic number.

211121020022002 is a deficient number, since it is larger than the sum of its proper divisors (125441511811598).

211121020022002 is a wasteful number, since it uses less digits than its factorization.

211121020022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423570.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211121020022002 its reverse (200220020121112), we get a palindrome (411341040143114).

The spelling of 211121020022002 in words is "two hundred eleven trillion, one hundred twenty-one billion, twenty million, twenty-two thousand, two".