1210020002111 has 32 divisors (see below), whose sum is σ = 1414784102400. Its totient is φ = 1027027330560.

The previous prime is 1210020002101. The next prime is 1210020002119. The reversal of 1210020002111 is 1112000200121.

It is a cyclic number.

It is not a de Polignac number, because 1210020002111 - 2²² = 1210015807807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1210020002092 and 1210020002101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210020002119) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244655 + ... + 1574768.

It is an arithmetic number, because the mean of its divisors is an integer number (44212003200).

Almost surely, 2^{1210020002111} is an apocalyptic number.

1210020002111 is a deficient number, since it is larger than the sum of its proper divisors (204764100289).

1210020002111 is a wasteful number, since it uses less digits than its factorization.

1210020002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819559.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1210020002111 its reverse (1112000200121), we get a palindrome (2322020202232).

The spelling of 1210020002111 in words is "one trillion, two hundred ten billion, twenty million, two thousand, one hundred eleven".