1002111101210 has 32 divisors (see below), whose sum is σ = 1807288277760. Its totient is φ = 400069492288.

The previous prime is 1002111101183. The next prime is 1002111101219. The reversal of 1002111101210 is 121011112001.

It is a junction number, because it is equal to n+sod(n) for n = 1002111101191 and 1002111101200.

It is not an unprimeable number, because it can be changed into a prime (1002111101219) 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, 54843956 + ... + 54862224.

It is an arithmetic number, because the mean of its divisors is an integer number (56477758680).

Almost surely, 2^{1002111101210} is an apocalyptic number.

1002111101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002111101210 is a deficient number, since it is larger than the sum of its proper divisors (805177176550).

1002111101210 is a wasteful number, since it uses less digits than its factorization.

1002111101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28582.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1002111101210 its reverse (121011112001), we get a palindrome (1123122213211).

The spelling of 1002111101210 in words is "one trillion, two billion, one hundred eleven million, one hundred one thousand, two hundred ten".