1012021098 has 32 divisors (see below), whose sum is σ = 2212090560. Its totient is φ = 306111360.

The previous prime is 1012021093. The next prime is 1012021117. The reversal of 1012021098 is 8901202101.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1012021093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22998 + ... + 50526.

It is an arithmetic number, because the mean of its divisors is an integer number (69127830).

Almost surely, 2^1012021098 is an apocalyptic number.

1012021098 is an abundant number, since it is smaller than the sum of its proper divisors (1200069462).

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

1012021098 is a wasteful number, since it uses less digits than its factorization.

1012021098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28102.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 1012021098 is about 31812.2790444193. The cubic root of 1012021098 is about 1003.9910827343.

Adding to 1012021098 its reverse (8901202101), we get a palindrome (9913223199).

The spelling of 1012021098 in words is "one billion, twelve million, twenty-one thousand, ninety-eight".