101222031450 has 96 divisors (see below), whose sum is σ = 256471370496. Its totient is φ = 26410325760.

The previous prime is 101222031439. The next prime is 101222031461. The reversal of 101222031450 is 54130222101.

It is an interprime number because it is at equal distance from previous prime (101222031439) and next prime (101222031461).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2900304 + ... + 2934996.

It is an arithmetic number, because the mean of its divisors is an integer number (2671576776).

Almost surely, 2^101222031450 is an apocalyptic number.

101222031450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 101222031450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128235685248).

101222031450 is an abundant number, since it is smaller than the sum of its proper divisors (155249339046).

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

101222031450 is a wasteful number, since it uses less digits than its factorization.

101222031450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35128 (or 35123 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 101222031450 its reverse (54130222101), we get a palindrome (155352253551).

The spelling of 101222031450 in words is "one hundred one billion, two hundred twenty-two million, thirty-one thousand, four hundred fifty".