1230021102 has 16 divisors (see below), whose sum is σ = 2470252752. Its totient is φ = 408305280.

The previous prime is 1230021101. The next prime is 1230021103. The reversal of 1230021102 is 2011200321.

It is an interprime number because it is at equal distance from previous prime (1230021101) and next prime (1230021103).

It is a super-2 number, since 2×1230021102² = 3025903822730588808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230021101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423873 + ... + 426764.

It is an arithmetic number, because the mean of its divisors is an integer number (154390797).

Almost surely, 2^1230021102 is an apocalyptic number.

1230021102 is an abundant number, since it is smaller than the sum of its proper divisors (1240231650).

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

1230021102 is a wasteful number, since it uses less digits than its factorization.

1230021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850883.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1230021102 is about 35071.6566760112. The cubic root of 1230021102 is about 1071.4473969061.

Adding to 1230021102 its reverse (2011200321), we get a palindrome (3241221423).

The spelling of 1230021102 in words is "one billion, two hundred thirty million, twenty-one thousand, one hundred two".