1021102011222 has 16 divisors (see below), whose sum is σ = 2042224197312. Its totient is φ = 340363974600.

The previous prime is 1021102011217. The next prime is 1021102011227. The reversal of 1021102011222 is 2221102011201.

It is an interprime number because it is at equal distance from previous prime (1021102011217) and next prime (1021102011227).

It is a super-2 number, since 2×1021102011222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021102011227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137404 + ... + 1435647.

It is an arithmetic number, because the mean of its divisors is an integer number (127639012332).

Almost surely, 2^{1021102011222} is an apocalyptic number.

1021102011222 is an abundant number, since it is smaller than the sum of its proper divisors (1021122186090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021102011222 is a wasteful number, since it uses less digits than its factorization.

1021102011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681243.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1021102011222 its reverse (2221102011201), we get a palindrome (3242204022423).

The spelling of 1021102011222 in words is "one trillion, twenty-one billion, one hundred two million, eleven thousand, two hundred twenty-two".