2011022121212 has 24 divisors (see below), whose sum is σ = 3791121885600. Its totient is φ = 927890099136.

The previous prime is 2011022121209. The next prime is 2011022121233. The reversal of 2011022121212 is 2121212201102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5529512 + ... + 5881967.

It is an arithmetic number, because the mean of its divisors is an integer number (157963411900).

Almost surely, 2^{2011022121212} is an apocalyptic number.

It is an amenable number.

2011022121212 is a deficient number, since it is larger than the sum of its proper divisors (1780099764388).

2011022121212 is a wasteful number, since it uses less digits than its factorization.

2011022121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414885 (or 11414883 counting only the distinct ones).

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

Adding to 2011022121212 its reverse (2121212201102), we get a palindrome (4132234322314).

It can be divided in two parts, 201102 and 2121212, that multiplied together give a palindrome (426579975624).

The spelling of 2011022121212 in words is "two trillion, eleven billion, twenty-two million, one hundred twenty-one thousand, two hundred twelve".