1010022121220 has 192 divisors, whose sum is σ = 2507839488000. Its totient is φ = 334522137600.

The previous prime is 1010022121193. The next prime is 1010022121223. The reversal of 1010022121220 is 221212200101.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1010022121195 and 1010022121204.

It is not an unprimeable number, because it can be changed into a prime (1010022121223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 217253456 + ... + 217258104.

It is an arithmetic number, because the mean of its divisors is an integer number (13061664000).

Almost surely, 2^{1010022121220} is an apocalyptic number.

1010022121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010022121220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253919744000).

1010022121220 is an abundant number, since it is smaller than the sum of its proper divisors (1497817366780).

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

1010022121220 is a wasteful number, since it uses less digits than its factorization.

1010022121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098 (or 5096 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1010022121220 its reverse (221212200101), we get a palindrome (1231234321321).

It can be divided in two parts, 101002 and 2121220, that added together give a palindrome (2222222).

The spelling of 1010022121220 in words is "one trillion, ten billion, twenty-two million, one hundred twenty-one thousand, two hundred twenty".