1031121102 has 24 divisors (see below), whose sum is σ = 2266763688. Its totient is φ = 312460720.

The previous prime is 1031121083. The next prime is 1031121121. The reversal of 1031121102 is 2011211301.

It is an interprime number because it is at equal distance from previous prime (1031121083) and next prime (1031121121).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 709413 + ... + 710864.

It is an arithmetic number, because the mean of its divisors is an integer number (94448487).

Almost surely, 2^1031121102 is an apocalyptic number.

1031121102 is an abundant number, since it is smaller than the sum of its proper divisors (1235642586).

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

1031121102 is a wasteful number, since it uses less digits than its factorization.

1031121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420304 (or 1420293 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1031121102 is about 32111.0744448080. The cubic root of 1031121102 is about 1010.2679098456.

Adding to 1031121102 its reverse (2011211301), we get a palindrome (3042332403).

It can be divided in two parts, 10311 and 21102, that added together give a palindrome (31413).

The spelling of 1031121102 in words is "one billion, thirty-one million, one hundred twenty-one thousand, one hundred two".