211212011020100 has 36 divisors (see below), whose sum is σ = 459803794090368. Its totient is φ = 84213149076000.

The previous prime is 211212011020097. The next prime is 211212011020121. The reversal of 211212011020100 is 1020110212112.

It is a super-2 number, since 2×211212011020100² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3395660396 + ... + 3395722595.

Almost surely, 2^{211212011020100} is an apocalyptic number.

211212011020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211212011020100 is an abundant number, since it is smaller than the sum of its proper divisors (248591783070268).

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

211212011020100 is a wasteful number, since it uses less digits than its factorization.

211212011020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791383316 (or 6791383309 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211212011020100 its reverse (1020110212112), we get a palindrome (212232121232212).

The spelling of 211212011020100 in words is "two hundred eleven trillion, two hundred twelve billion, eleven million, twenty thousand, one hundred".