1021102200111 has 16 divisors (see below), whose sum is σ = 1556037469184. Its totient is φ = 583459892064.

The previous prime is 1021102200101. The next prime is 1021102200143. The reversal of 1021102200111 is 1110022011201.

It is not a de Polignac number, because 1021102200111 - 2⁷ = 1021102199983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021102200101) 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, 660535 + ... + 1574328.

It is an arithmetic number, because the mean of its divisors is an integer number (97252341824).

Almost surely, 2^{1021102200111} is an apocalyptic number.

1021102200111 is a deficient number, since it is larger than the sum of its proper divisors (534935269073).

1021102200111 is a wasteful number, since it uses less digits than its factorization.

1021102200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256630.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021102200111 its reverse (1110022011201), we get a palindrome (2131124211312).

The spelling of 1021102200111 in words is "one trillion, twenty-one billion, one hundred two million, two hundred thousand, one hundred eleven".