1021202011222 has 32 divisors (see below), whose sum is σ = 1592643596544. Its totient is φ = 490568140800.

The previous prime is 1021202011211. The next prime is 1021202011261. The reversal of 1021202011222 is 2221102021201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1021202011196 and 1021202011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6577918 + ... + 6731374.

It is an arithmetic number, because the mean of its divisors is an integer number (49770112392).

Almost surely, 2^{1021202011222} is an apocalyptic number.

1021202011222 is a deficient number, since it is larger than the sum of its proper divisors (571441585322).

1021202011222 is a wasteful number, since it uses less digits than its factorization.

1021202011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154264.

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

Adding to 1021202011222 its reverse (2221102021201), we get a palindrome (3242304032423).

The spelling of 1021202011222 in words is "one trillion, twenty-one billion, two hundred two million, eleven thousand, two hundred twenty-two".