211920899126052 has 48 divisors (see below), whose sum is σ = 494644136519232. Its totient is φ = 70617153868800.

The previous prime is 211920899126051. The next prime is 211920899126113. The reversal of 211920899126052 is 250621998029112.

It is a junction number, because it is equal to n+sod(n) for n = 211920899125983 and 211920899126001.

It is not an unprimeable number, because it can be changed into a prime (211920899126051) 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, 714890088 + ... + 715186464.

It is an arithmetic number, because the mean of its divisors is an integer number (10305086177484).

Almost surely, 2^{211920899126052} is an apocalyptic number.

It is an amenable number.

211920899126052 is an abundant number, since it is smaller than the sum of its proper divisors (282723237393180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211920899126052 is a wasteful number, since it uses less digits than its factorization.

211920899126052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315708 (or 315706 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 57.

The spelling of 211920899126052 in words is "two hundred eleven trillion, nine hundred twenty billion, eight hundred ninety-nine million, one hundred twenty-six thousand, fifty-two".