2021101120222 has 4 divisors (see below), whose sum is σ = 3031651680336. Its totient is φ = 1010550560110.

The previous prime is 2021101120217. The next prime is 2021101120267. The reversal of 2021101120222 is 2220211011202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2021101120196 and 2021101120205.

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, 505275280054 + ... + 505275280057.

It is an arithmetic number, because the mean of its divisors is an integer number (757912920084).

Almost surely, 2^{2021101120222} is an apocalyptic number.

2021101120222 is a deficient number, since it is larger than the sum of its proper divisors (1010550560114).

2021101120222 is a wasteful number, since it uses less digits than its factorization.

2021101120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010550560113.

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

Adding to 2021101120222 its reverse (2220211011202), we get a palindrome (4241312131424).

It can be divided in two parts, 20211011202 and 22, that multiplied together give a palindrome (444642246444).

The spelling of 2021101120222 in words is "two trillion, twenty-one billion, one hundred one million, one hundred twenty thousand, two hundred twenty-two".