1021121114 has 8 divisors (see below), whose sum is σ = 1649503380. Its totient is φ = 471286656.

The previous prime is 1021121063. The next prime is 1021121147. The reversal of 1021121114 is 4111211201.

It can be written as a sum of positive squares in 2 ways, for example, as 998244025 + 22877089 = 31595^2 + 4783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19636919 + ... + 19636970.

Almost surely, 2^1021121114 is an apocalyptic number.

1021121114 is a deficient number, since it is larger than the sum of its proper divisors (628382266).

1021121114 is a wasteful number, since it uses less digits than its factorization.

1021121114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39273904.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1021121114 is about 31954.9857455765. The cubic root of 1021121114 is about 1006.9913780548.

Adding to 1021121114 its reverse (4111211201), we get a palindrome (5132332315).

The spelling of 1021121114 in words is "one billion, twenty-one million, one hundred twenty-one thousand, one hundred fourteen".