1010120202 has 144 divisors (see below), whose sum is σ = 2817038952. Its totient is φ = 259096320.

The previous prime is 1010120159. The next prime is 1010120231. The reversal of 1010120202 is 2020210101.

It can be written as a sum of positive squares in 4 ways, for example, as 552203001 + 457917201 = 23499^2 + 21399^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 423052 + ... + 425432.

Almost surely, 2^1010120202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010120202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408519476).

1010120202 is an abundant number, since it is smaller than the sum of its proper divisors (1806918750).

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

1010120202 is a wasteful number, since it uses less digits than its factorization.

1010120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1010120202 is about 31782.3882362544. The cubic root of 1010120202 is about 1003.3620843873.

Adding to 1010120202 its reverse (2020210101), we get a palindrome (3030330303).

It can be divided in two parts, 10101 and 20202, that multiplied together give a palindrome (204060402).

The spelling of 1010120202 in words is "one billion, ten million, one hundred twenty thousand, two hundred two".