1013121102 has 64 divisors (see below), whose sum is σ = 2350706688. Its totient is φ = 285120000.

The previous prime is 1013121091. The next prime is 1013121107. The reversal of 1013121102 is 2011213101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013121107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1021827 + ... + 1022817.

It is an arithmetic number, because the mean of its divisors is an integer number (36729792).

Almost surely, 2^1013121102 is an apocalyptic number.

1013121102 is an abundant number, since it is smaller than the sum of its proper divisors (1337585586).

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

1013121102 is a wasteful number, since it uses less digits than its factorization.

1013121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345.

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

The square root of 1013121102 is about 31829.5633334798. The cubic root of 1013121102 is about 1004.3547096437.

Adding to 1013121102 its reverse (2011213101), we get a palindrome (3024334203).

The spelling of 1013121102 in words is "one billion, thirteen million, one hundred twenty-one thousand, one hundred two".