211122002001212 has 6 divisors (see below), whose sum is σ = 369463503502128. Its totient is φ = 105561001000604.

The previous prime is 211122002001193. The next prime is 211122002001223. The reversal of 211122002001212 is 212100200221112.

It is a super-3 number, since 3×211122002001212³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26390250250148 + ... + 26390250250155.

It is an arithmetic number, because the mean of its divisors is an integer number (61577250583688).

Almost surely, 2^{211122002001212} is an apocalyptic number.

It is an amenable number.

211122002001212 is a deficient number, since it is larger than the sum of its proper divisors (158341501500916).

211122002001212 is a wasteful number, since it uses less digits than its factorization.

211122002001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52780500500307 (or 52780500500305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211122002001212 its reverse (212100200221112), we get a palindrome (423222202222324).

The spelling of 211122002001212 in words is "two hundred eleven trillion, one hundred twenty-two billion, two million, one thousand, two hundred twelve".