1002111222210 has 32 divisors (see below), whose sum is σ = 2748647924352. Its totient is φ = 229053993600.

The previous prime is 1002111222199. The next prime is 1002111222227. The reversal of 1002111222210 is 122221112001.

1002111222210 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1002111222210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2385978891 + ... + 2385979310.

It is an arithmetic number, because the mean of its divisors is an integer number (85895247636).

Almost surely, 2^{1002111222210} is an apocalyptic number.

1002111222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002111222210 is an abundant number, since it is smaller than the sum of its proper divisors (1746536702142).

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

1002111222210 is a wasteful number, since it uses less digits than its factorization.

1002111222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771958218.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1002111222210 its reverse (122221112001), we get a palindrome (1124332334211).

The spelling of 1002111222210 in words is "one trillion, two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred ten".