211052020402115 has 16 divisors (see below), whose sum is σ = 262051678202400. Its totient is φ = 162984605693952.

The previous prime is 211052020402103. The next prime is 211052020402123. The reversal of 211052020402115 is 511204020250112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211052020402115 - 2⁴² = 206653973891011 is a prime.

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, 155060825 + ... + 156415994.

It is an arithmetic number, because the mean of its divisors is an integer number (16378229887650).

Almost surely, 2^{211052020402115} is an apocalyptic number.

211052020402115 is a deficient number, since it is larger than the sum of its proper divisors (50999657800285).

211052020402115 is a wasteful number, since it uses less digits than its factorization.

211052020402115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311481526.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 211052020402115 its reverse (511204020250112), we get a palindrome (722256040652227).

The spelling of 211052020402115 in words is "two hundred eleven trillion, fifty-two billion, twenty million, four hundred two thousand, one hundred fifteen".