101101231220 has 48 divisors (see below), whose sum is σ = 232129800000. Its totient is φ = 36682168320.

The previous prime is 101101231219. The next prime is 101101231241. The reversal of 101101231220 is 22132101101.

It is a junction number, because it is equal to n+sod(n) for n = 101101231195 and 101101231204.

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, 412970 + ... + 610529.

It is an arithmetic number, because the mean of its divisors is an integer number (4836037500).

Almost surely, 2^101101231220 is an apocalyptic number.

101101231220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101101231220 is an abundant number, since it is smaller than the sum of its proper divisors (131028568780).

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

101101231220 is a wasteful number, since it uses less digits than its factorization.

101101231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023968 (or 1023966 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101101231220 its reverse (22132101101), we get a palindrome (123233332321).

The spelling of 101101231220 in words is "one hundred one billion, one hundred one million, two hundred thirty-one thousand, two hundred twenty".