101223033213220 has 12 divisors (see below), whose sum is σ = 212568369747804. Its totient is φ = 40489213285280.

The previous prime is 101223033213139. The next prime is 101223033213221. The reversal of 101223033213220 is 22312330322101.

It can be written as a sum of positive squares in 2 ways, for example, as 78058603266084 + 23164429947136 = 8835078^2 + 4812944^2 .

It is a super-2 number, since 2×101223033213220² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101223033213221) 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, 2530575830311 + ... + 2530575830350.

It is an arithmetic number, because the mean of its divisors is an integer number (17714030812317).

Almost surely, 2^{101223033213220} is an apocalyptic number.

101223033213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101223033213220 is an abundant number, since it is smaller than the sum of its proper divisors (111345336534584).

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

101223033213220 is a wasteful number, since it uses less digits than its factorization.

101223033213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5061151660670 (or 5061151660668 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 101223033213220 its reverse (22312330322101), we get a palindrome (123535363535321).

The spelling of 101223033213220 in words is "one hundred one trillion, two hundred twenty-three billion, thirty-three million, two hundred thirteen thousand, two hundred twenty".