101024211220 has 24 divisors (see below), whose sum is σ = 224630305704. Its totient is φ = 38032644096.

The previous prime is 101024211217. The next prime is 101024211221. The reversal of 101024211220 is 22112420101.

It can be written as a sum of positive squares in 4 ways, for example, as 1189698064 + 99834513156 = 34492^2 + 315966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101024211194 and 101024211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101024211221) 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, 148564677 + ... + 148565356.

It is an arithmetic number, because the mean of its divisors is an integer number (9359596071).

Almost surely, 2^101024211220 is an apocalyptic number.

101024211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101024211220 is an abundant number, since it is smaller than the sum of its proper divisors (123606094484).

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

101024211220 is a wasteful number, since it uses less digits than its factorization.

101024211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297130059 (or 297130057 counting only the distinct ones).

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

Adding to 101024211220 its reverse (22112420101), we get a palindrome (123136631321).

The spelling of 101024211220 in words is "one hundred one billion, twenty-four million, two hundred eleven thousand, two hundred twenty".