1021214102 has 4 divisors (see below), whose sum is σ = 1531821156. Its totient is φ = 510607050.

The previous prime is 1021214093. The next prime is 1021214107. The reversal of 1021214102 is 2014121201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021214107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255303524 + ... + 255303527.

It is an arithmetic number, because the mean of its divisors is an integer number (382955289).

Almost surely, 2^1021214102 is an apocalyptic number.

1021214102 is a deficient number, since it is larger than the sum of its proper divisors (510607054).

1021214102 is an equidigital number, since it uses as much as digits as its factorization.

1021214102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510607053.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1021214102 is about 31956.4406966733. The cubic root of 1021214102 is about 1007.0219442207.

Adding to 1021214102 its reverse (2014121201), we get a palindrome (3035335303).

The spelling of 1021214102 in words is "one billion, twenty-one million, two hundred fourteen thousand, one hundred two".