1021101144 has 32 divisors (see below), whose sum is σ = 2917432320. Its totient is φ = 291743136.

The previous prime is 1021101113. The next prime is 1021101163. The reversal of 1021101144 is 4411011201.

1021101144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3038824 + ... + 3039159.

It is an arithmetic number, because the mean of its divisors is an integer number (91169760).

Almost surely, 2^1021101144 is an apocalyptic number.

1021101144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1021101144 is an abundant number, since it is smaller than the sum of its proper divisors (1896331176).

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

1021101144 is a wasteful number, since it uses less digits than its factorization.

1021101144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6077999 (or 6077995 counting only the distinct ones).

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

The square root of 1021101144 is about 31954.6732732475. The cubic root of 1021101144 is about 1006.9848134568.

Adding to 1021101144 its reverse (4411011201), we get a palindrome (5432112345).

The spelling of 1021101144 in words is "one billion, twenty-one million, one hundred one thousand, one hundred forty-four".