1011020102 has 16 divisors (see below), whose sum is σ = 1563287040. Its totient is φ = 490125768.

The previous prime is 1011020099. The next prime is 1011020123. The reversal of 1011020102 is 2010201101.

It is a self number, because there is not a number n which added to its sum of digits gives 1011020102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40202 + ... + 60317.

It is an arithmetic number, because the mean of its divisors is an integer number (97705440).

Almost surely, 2^1011020102 is an apocalyptic number.

1011020102 is a deficient number, since it is larger than the sum of its proper divisors (552266938).

1011020102 is a wasteful number, since it uses less digits than its factorization.

1011020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100675.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1011020102 is about 31796.5422962938. The cubic root of 1011020102 is about 1003.6599557155.

Adding to 1011020102 its reverse (2010201101), we get a palindrome (3021221203).

The spelling of 1011020102 in words is "one billion, eleven million, twenty thousand, one hundred two".