1011211334430 has 64 divisors (see below), whose sum is σ = 2652045919488. Its totient is φ = 244724476160.

The previous prime is 1011211334383. The next prime is 1011211334461. The reversal of 1011211334430 is 344331121101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011211334430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2416407 + ... + 2803826.

It is an arithmetic number, because the mean of its divisors is an integer number (41438217492).

Almost surely, 2^{1011211334430} is an apocalyptic number.

1011211334430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011211334430 is an abundant number, since it is smaller than the sum of its proper divisors (1640834585058).

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

1011211334430 is a wasteful number, since it uses less digits than its factorization.

1011211334430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220841.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1011211334430 its reverse (344331121101), we get a palindrome (1355542455531).

The spelling of 1011211334430 in words is "one trillion, eleven billion, two hundred eleven million, three hundred thirty-four thousand, four hundred thirty".