2011121020222 has 8 divisors (see below), whose sum is σ = 3016794270096. Its totient is φ = 1005522930192.

The previous prime is 2011121020219. The next prime is 2011121020229. The reversal of 2011121020222 is 2220201211102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2011121020196 and 2011121020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011121020229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18723018 + ... + 18830125.

It is an arithmetic number, because the mean of its divisors is an integer number (377099283762).

Almost surely, 2^{2011121020222} is an apocalyptic number.

2011121020222 is a deficient number, since it is larger than the sum of its proper divisors (1005673249874).

2011121020222 is a wasteful number, since it uses less digits than its factorization.

2011121020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37579922.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2011121020222 its reverse (2220201211102), we get a palindrome (4231322231324).

The spelling of 2011121020222 in words is "two trillion, eleven billion, one hundred twenty-one million, twenty thousand, two hundred twenty-two".