211212111122002 has 32 divisors (see below), whose sum is σ = 368462641046400. Its totient is φ = 90068645576448.

The previous prime is 211212111121987. The next prime is 211212111122009. The reversal of 211212111122002 is 200221111212112.

It is a happy number.

It is a super-2 number, since 2×211212111122002² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (211212111122009) 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, 7107674977 + ... + 7107704692.

It is an arithmetic number, because the mean of its divisors is an integer number (11514457532700).

Almost surely, 2^{211212111122002} is an apocalyptic number.

211212111122002 is a deficient number, since it is larger than the sum of its proper divisors (157250529924398).

211212111122002 is a wasteful number, since it uses less digits than its factorization.

211212111122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14215379730.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211212111122002 its reverse (200221111212112), we get a palindrome (411433222334114).

The spelling of 211212111122002 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred eleven million, one hundred twenty-two thousand, two".