1121010210 has 48 divisors (see below), whose sum is σ = 2916773496. Its totient is φ = 298715904.

The previous prime is 1121010197. The next prime is 1121010223. The reversal of 1121010210 is 120101211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1121010197) and next prime (1121010223).

It can be written as a sum of positive squares in 4 ways, for example, as 1028677329 + 92332881 = 32073^2 + 9609^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1121010192 and 1121010201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145372 + ... + 152888.

Almost surely, 2^1121010210 is an apocalyptic number.

1121010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121010210 is an abundant number, since it is smaller than the sum of its proper divisors (1795763286).

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

1121010210 is a wasteful number, since it uses less digits than its factorization.

1121010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9187 (or 9184 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1121010210 is about 33481.4905582174. The cubic root of 1121010210 is about 1038.8109592484.

Adding to 1121010210 its reverse (120101211), we get a palindrome (1241111421).

The spelling of 1121010210 in words is "one billion, one hundred twenty-one million, ten thousand, two hundred ten".