1011021220002 has 32 divisors (see below), whose sum is σ = 2197125918720. Its totient is φ = 308970830160.

The previous prime is 1011021219991. The next prime is 1011021220009. The reversal of 1011021220002 is 2000221201101.

1011021220002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1011021220002.

It is not an unprimeable number, because it can be changed into a prime (1011021220009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143038518 + ... + 143045585.

It is an arithmetic number, because the mean of its divisors is an integer number (68660184960).

Almost surely, 2^{1011021220002} is an apocalyptic number.

1011021220002 is an abundant number, since it is smaller than the sum of its proper divisors (1186104698718).

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

1011021220002 is a wasteful number, since it uses less digits than its factorization.

1011021220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286084158.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1011021220002 its reverse (2000221201101), we get a palindrome (3011242421103).

The spelling of 1011021220002 in words is "one trillion, eleven billion, twenty-one million, two hundred twenty thousand, two".